原因在于，当碳被标价时，那些实行的减排措施中成本最低的将会先实施。
The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.
当这个排原路返回基地时，一位警惕的陆战队士兵注意到一段橙色风筝线埋在一块荒地的梨沟里。
As the platoon looped back to base, an alert Marine noticed a stretch of orange kite-string hidden in the furrows of a barren field.
如果有人坐在第一排，一般来说当别人进入教室，会看到他们。
If somebody sits in the first row, normally people entering the class, sees them.
当他们第二天开着本田奥德赛微型面包车走在返乡路上的时候，她坐在了第三排座位上，以求离她丈夫越远越好。
When they hit the road the next day, heading home, she sat as far as possible from her husband, in the third row of seats in their Honda Odyssey minivan.
当写入器正在访问资源时，它对资源拥有排它权限：不管是阅读器还是写入器，都不允许访问资源。
When a writer is accessing a resource it has exclusive rights over it: Neither readers nor writers are allowed access to the resource.
你也许曾想过这个问题：当自己站在超市里一排让人失望的货架前时，发现这家超市和你去过的其他家超市没什么不同，你想知道为什么他们都没点特色呢？
IT MAY have occurred to you, during the course of a dismal trawl round a supermarket indistinguishable from every other supermarket you have ever been into, to wonder why they are all the same.
一些文件系统支持网络客户端获取对文件的排它写锁定，以及当客户端死机时移交锁定。
Some file systems support network clients obtaining an exclusive write lock on a file and remove the lock if the client crashes.
马车队(即一群马车)，当他们经过危险区时，他们排成四排向前行进，如果遭受到攻击时，这些马车就会很快地形成一个保护圈进行抵抗。
Wagon trains — groups of wagons — rode in four lines across the land when they passed through dangerous country. If attacked, the wagons could quickly form a circle for defense.
当这些信用额出售给富国时，买方能将它们计入自己的《京都议定书》减排目标。
When credits are sold on to rich countries, the buyers can count them towards their Kyoto emissions targets.
当太平洋岛国图瓦卢在哥本哈根提出未来更严格的减排要求时，中国对这一要求否决之迅速，令一些观察人士感到惊讶。
When the Pacific island state of Tuvalu proposed in Copenhagen a tougher cut in future emissions, it was swiftly knocked back by China in a manner that surprised some observers.
当这个满足了，身体就会自然地排毒，另外，减低体重是达到适当平衡后的附带结果。
When this happens, the body will detoxify itself naturally. In addition, weight loss is a side effect of being properly balanced.
向孩子解释并示范当桌前放着一排银餐具时，应该从外往里使用。
Explain and demonstrate that when confronted with a lot of silverware at your plate you work from the outside in.
原来的城市是建在以前湖的原址上-阿兹·特克人将城市建在许多水生平台上，但当西班牙人征服该城时，他们就将湖水排干，致使城市下沉。
The original city was built on the site of a former lake-the Aztecs built the city on a series of aquatic platforms, but when the Spanish conquered the city, they drained the lake, causing it to sink.
咆哮着的喷气发动机推力反向器当大型MD-11型喷气式飞机着陆时,咆哮着的发动机推力反向器开始减速,然后转向停靠在一排泛光灯照明大楼前的货车。
Roaring thrust-reversers rapidly slow the giant MD-11 jet as it touches down on the runway before turning to taxi towards a sprawling floodlit building.
当凡指挥”士兵”摆好阵势伏击的时候，小阿瑟说“你那样做不对的”，罗马军团总是排阵前进的。
“You can’t do that—” Arthur says when Van arranges his soldiers in an ambush position. “The Romans always advance in a phalanx.”
当她看着一排课桌并开始讲地球的构造板块（tectonic plate）时，她的眼睛变得更亮了，为了强调某一点她的手快速移动着，同时她的整个脸庞都浮现出笑容。
As she looked at the row of desks and started talking about tectonic plates, her eyes lighted up, her hands moved quickly to emphasize a point and a smile spread across her face.
他们指出，当只考虑能源消耗直接关联的CO2排放，素食饮食远比其它几种对地球的伤害小。
When they looked at only carbon dioxide emissions associated directly with energy consumption, they came up with the vegetarian diet far less damaging to the planet than the others.
当AC米兰在老特拉福德戏剧性得以3：2取得胜利之后，曼联被后防线成排的伤病挤出了半决赛的行程。
After beating AC Milan 3-2 in an Old Trafford thriller, United's challenge was derailed for the semi-final second leg by a raft of injuries in defence.
这款手机还提供了四排完整的QWERTY键盘滑出顺利从手机的左侧(当高大的肖像模式观看)。
The phone also offers a four-row full QWERTY keyboard that smoothly slides out from the left side of the phone (when viewed in tall portrait mode).
当泵首次启动时，齿轮的旋转迫使空气离开壳体进入排油管。
When the pump is first started, rotation of gears forces air out the casing and into the discharge pipe.
当人们看到医院走廊一排排例如种植科、放射科等科室门牌的时候，某种程度上承载了整个诊所病人的不安与焦虑。
When people see the rows of doorplates such as dental implant department and radiology department, to some extent, a sense of discomfort and anxiety will grow.
几乎没有一个坟墓有标记，而当男人们按时回来扫墓时，从一排到一排，越来越搞不清楚坟墓的主人。
Almost none of the graves had markers, and as the men moved back in time, from row to row, they became less certain of identities.
几乎没有一个坟墓有标记，而当男人们按时回来扫墓时，从一排到一排，越来越搞不清楚坟墓的主人。
Almost none of the graves had markers, and as the men moved back in time, from row to row, they became less certain of identities.
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