Numbering well under 50, the eastern North Pacific right whale --which can reach up to 18 metres (60 feet) in length -- falls below theIUCN's threshold of likely viability as a species.
长度可达18米（60英尺）的北太平洋东部露脊鲸，数目远在50以下，低于世界自然保护联盟作为一个可能存活物种的起码数量。
Then they climbed out of the vent, onto the roof, and down 50 feet of piping to the ground where a makeshift raft made from raincoats took them across 1.5 miles of water to San Francisco.
然后从通风口爬到房顶上，再沿着管子下滑50英尺到达地面，到达地面后，用雨衣做了个临时的小船，顺水漂了1.5公里后，终于到了旧金山。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago.
化石是在50英尺深的石灰岩层里，它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
A student at Cambridge University in Britain went further, intercepting e-passport transmissions some 50 metres (160 feet) away.
一个就读英国剑桥大学的学生更厉害，能在50米(160英尺)外拦截电子护照数据传输。
Grab a flashlight and head to Indian Tunnel, which, at 30 feet high and 50 feet wide, allows for comfortable exploring.
带上手电筒步入印第安隧道，大约有30英尺高50英尺宽，便于更好地探索。
Cedar Creek Treehouse is 80 miles south of Seattle and is set 50 feet up in a 200-year-old western red cedar tree, right in the canopy of a lush temperate rainforest on the base of Mount Rainier.
树屋旅馆位于西雅图以南80英里处草木苍翠的雷尼尔山雨林中，建在50英尺高处的一棵200岁的红香柏树上。
Unlike the stark plateaus nearby, Gobekli Tepe (the name means "belly hill" in Turkish) has a gently rounded top that rises 50 feet above the surrounding landscape.
和附近的荒凉的高原不同，歌贝克力山丘(这个名字在土耳其语里是“腹丘”的意思)的圆顶离周围的风景地只有50英尺高。
The aim of the game is to hold onto the 180 pounds Colombian ewes for up to six seconds as they are released from a gate into the 150 feet long and 50 feet wide run.
比赛要求是，当这些重达180磅的哥伦比亚母羊从赛门中放出来，在长150英尺，宽50英尺的赛场上奔跑时，参赛儿童要紧紧抓着这些羊，坚持6秒钟。
In a mono movie you'd look at the robot and you'd go 'well, maybe it's 50 feet, maybe it's a 100 feet.'
如果观看单声道电影，你看到一个机器人，可能会说‘嗯，它可能50英尺高，或者100英尺高。’
"He was in the water 50 feet from the ship, he heard a 'shloop, ' and it was gone, " says Long.
Long说“他在水下离泰坦尼克号50英尺，他听到‘倏噗’的声音然后船就不见了。
From about 50 feet away, a group of students from the nearby University of Delaware campus watched the scene.
附近的特拉华州大学校园里的几个学生在大约50英尺远处看着这一幕。
Various sizes of caisson will be built, including one 15 metres (50 feet) or so in diameter, large enough to fit over a whole blowout preventer.
此外还将建造大小各异的沉箱，包括一个直径约为15米(50英尺)、足以覆盖整个防喷装置的沉箱。
The bus is an enormous 50-seater with 20 five-feet-long bunks crammed above the seats. It has the narrowest of walkways and is as claustrophobic as a battery hen cage.
来了一辆巨大的50座巴士，在座位之上挤进了20个五英尺长的铺位，走道极其狭窄，像鸡舍一样封闭，更可怖的是车上没有紧急逃生口。
San Onofre is 50 feet above the sea, and behind a concrete tsunami wall 30 feet high, 50 percent higher than the largest tsunami thought possible there.
圣·奥诺弗雷（SanOnofre）海拔50英尺，位于高达50英尺高的水泥墙后面，比预计要发生的最高级别的海啸高出50%。
On a typical journey, the mother ship will take off from the runway and ferry SS2, carrying a two-pilot crew and six passengers, to a height of 50, 000 feet.
飞船的标准航程如下，母船搭载SS2从地面跑道起飞并爬升至50000尺高空，SS2将载有两名机组人员和6名乘客。
SK Telecom Co. said subscribers can pay 3, 000 won (US.50) to download a sound wave that is inaudible to human ears but annoys mosquitoes within a range of three feet.
韩国鲜京电讯公司表示，定制此项服务的用户只需花3000韩元(合2.50美元)便可下载一种声波。 这种声波可以在三英尺的范围内驱赶蚊虫，而人耳却听不见。
So, even though some suppliers could be paying around $50, 000 per store a year for a few feet of shelf space, many customers still can’t find what they are looking for.
这样一来，即便供应商在一家商场中每年为几英尺货柜支付几乎五万美元，但多数消费者仍然不能找到他们想要找的东西。
SK Telecom said subscribers can pay 3,000 won (US.50) to download a sound wave that is inaudible to human ears but annoys mosquitoes within a range of three feet.
韩国鲜京电信(SK)表示定制用户可以花费3000韩元(合2.54美元)下载一种声波，这种声波人耳察觉不到，但可以在3英尺范围内驱赶蚊虫。
The aircraft will set off attached to a mother ship, which will climb to 50, 000 feet before detaching.
起飞时，飞船会绑定在母船上，爬升5万米后脱离母船。
These flame-throwing tornadoes, called fire whirls, can be 50 feet (15 meters) wide and grow as tall as a 40-story building.
这种旋风烈焰，被称作火飓，可横跨15米，并升至四十层楼那么高。
The only way in is via the garage or a side door and the first floor is nearly 50 feet above ground level.
进入房子的唯一方法，就是通过车库或者旁边的门，第一层距离地面有50英尺高。
An aircraft, for example, flying supersonic at 50,000 feet can produce a sonic boom cone about 50 miles wide.
例如，一架50,000英尺高处的超音速飞机可以制造出50英里左右宽的音爆圆锥。
A sinkhole about 20-feet wide and 50 to 60-feet deep formed underneath Jeff Bush's room.
一个20英尺宽，50至60英尺深的天坑在杰夫·布什的房间下面形成。
A typical dragon boat ranges from 50-100 feet in length, with a beam of about 5.5 feet, accommodating two paddlers seated side by side.
一艘典型的龙舟长度达50到100英尺不等，束长约5.5英尺，可容纳两个桨手并排坐。
A caver is dwarfed by calcite columns that stretch some 50 feet (15 meters) to the top of Tower Place in Lechuguilla cave.
一个洞穴探察者是相形见绌方解石列舒展约50英尺(15米)，顶部的塔发生在墨西哥龙舌兰洞穴。
Frost holed a bunker shot from 50 feet to snatch the title by one stroke.
弗罗斯特在50英尺外的沙坑中击球入穴，以一杆的优势获得冠军。
Generally, the right-of way is cleared and graded to a width of 50 feet, but greater widths are not uncommon.
一般，清理和平整管道通过带的宽度为50英尺，超过50英尺的偶有所见。
Their data show that oxygen levels hundreds of feet below the ocean surface have declined over the past 50 years around the world, most likely a result of human activity.
他们的数据表明：在过去的50年里，海洋表面数百英尺以下的含氧量已经下降了很多。最有可能产生这种现象的原因就是人类的活动。
Their data show that oxygen levels hundreds of feet below the ocean surface have declined over the past 50 years around the world, most likely a result of human activity.
他们的数据表明：在过去的50年里，海洋表面数百英尺以下的含氧量已经下降了很多。最有可能产生这种现象的原因就是人类的活动。
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