They have been seen together on two separate occasions.
他们有两次被人看见在一起。
He might easily have been seen by someone who lived nearby.
他可能很容易被住在附近的人看到。
Bigger carps have been seen in Thailand and in France.
在泰国和法国已经见到过更大的鲤鱼。
And bacteria, primitive forms of life, have been seen there.
细菌——一种原始的生命形式——在那里被发现。
Just a few years ago, my campaign may have been seen as cranky, but it's now a mainstream view that is being recognized by leading global institutions.
仅仅几年前，我的竞选活动还被认为稀奇古怪，但现在它已经被全球权威机构认可为主流思想。
The threat of nationalization may have been seen off for now, but it will return with a vengeance if the justified anger of passengers is not addressed in short order.
国有化的威胁可以暂时避免，但如果乘客的合理愤怒不能在短时间内得到解决，国有化的威胁将会卷土重来。
Over 20 have been seen per night.
每晚都有超过20只被发现。
那是因为他看见你了。
Smaller light echoes have been seen around supernovae.
规模较小的光回音可在超新星附近看见。
And bacteria, primitive forms of life have been seen there.
生命原始形式的细菌就存在于那儿。
Without the blooming flowers he would surely have been seen.
如果没有这些繁盛的花朵，布奇肯定被发现了。
Lately, more and more cyclists have been seen on the streets.
最近在街上看到了越来越多的自行车骑士。
Young eels have been seen climbing moss-covered vertical walls.
人们曾经看到爬上苔藓覆盖的垂直墙壁的小鳗鱼。
Others have been seen at the rescue centre hunting gecko lizards and birds.
另一些懒猴在救援中心捕食壁虎以及鸟类。
Both problems have been seen in Europe since the introduction of the Maastricht criteria.
自从引进了马斯特里赫特的标准之后，欧洲一直出现这两个问题。
Elsewhere, similar falls have been seen in 32 of the 56 countries where malaria is endemic.
在疟疾流行的56个国家中，有32个国家的情况与此类似。
Significant health effects have been seen in uranium miners who are exposed to high levels of radon.
在接触高水平氡的铀矿工人中观察到显著的健康影响。
If so, an identical line must already have been seen and added to unique_lines, so the copy can be ignored.
如果是的话，被确定的这行肯定已经被查看过，所以被添加到unique_lines，这样重复的部分就可以忽略。
Why would the particle that makes up most of the matter in the universe never have been seen in our accelerators?
马里兰大学的Sarah Eno说，“为什么占据了宇宙大部分质量的粒子在我们的加速器中就是看不到呢？”
Two spectacular tailsof X-ray emission have been seen trailing behind a galaxy using theChandra X-ray Observatory.
通过ChandraX射线观测台，我们观测到一个星系拖曳着两个由X射线射流组成的壮丽的大尾巴。
Two spectacular tails of X-ray emission have been seen trailing behind a galaxy using the Chandra X-ray Observatory.
通过ChandraX射线观测台，我们观测到一个星系拖曳着两个由X射线射流组成的壮丽的大尾巴。
Similar infections have been seen in the us, Canada, Australia and the Netherlands and scientists fear it will go global.
类似感染病例也在美国、加拿大、澳大利亚、荷兰等地出现，科学家担心该病毒将蔓延全球。
According to the study, bees have been seen pulling up at the last minute and later try coming in from a different direction.
该研究还发现，蜜蜂会在最后一刻停下来，然后再试图从其他方向进入蜂巢。
This approach may seem simplistic — all it is doing is counting up how often various combinations of words have been seen before.
这个方法看起来有些简单的过分——它所作的全部工作只是统计各种短语出现的频率。
Researchers had previously implicated TOR in some of the anti-ageing effects of a sparser diet that have been seen in some animals.
研究人员先前暗示，日常饮食很少有一些阻止衰老效应TOR途径。
These ice circles have been seen with diameters of over 500 feet and can also at times be found in clusters and groups at different sizes.
有人见过直径500英尺的冰环，也可以看见不同尺寸的冰环同时出现的景象。
Hundreds of flickers that might have been caused by planets with longer orbits have been seen, but have not yet been confirmed as transits.
可能由有较长轨道的行星引起的成百上千的闪光已被发现，但尚未证实是凌日。
Hundreds of flickers that might have been caused by planets with longer orbits have been seen, but have not yet been confirmed as transits.
可能由有较长轨道的行星引起的成百上千的闪光已被发现，但尚未证实是凌日。
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