1·All places at the pacific trench (the pacific ring of fire) should be evacuated now because there will be earthquakes and volcanic explosions.
太平洋海沟（太平洋火环带）的所有地方现在都应该疏散，因为将有地震和火山爆发。
2·All places at the Pacific trench, (the Pacific ring of fire) should be evacuated now, because there will be earthquakes and volcanic explosions.
太平洋海沟的所有地方(太平洋火环带)应该立刻疏散，因为将有地震和火山爆发。
3·I think a lot of scientists worldwide wondered whether this particular subduction zone - the Japan trench, the southern part - could ever produce a great earthquake.
我想世界上有很多科学家都想知道这一俯冲带——日本海沟南部——是否会发生一次大型地震。
4·Video taken by an unmanned submersible that explored the area captured a sea cucumber, a scale worm and a shrimp in the trench, where the pressure would crush a human.
探索这一地区的无人潜水艇拍摄的录像捕捉到了海沟中的海参、蠕虫和虾，而此处的压力足以将人体压垮。
5·These islands are actually the peaks of the Cayman Trough, the Caribbean Sea's deepest trench.
这些岛屿实际上是开曼槽的顶端——加勒比海最深的海沟。
1·To this hour on the border of the lake is shown a half-dug trench—the signet of their impiety.
时至今日，湖边仍有一条掘了一半的沟——它便是人们对仙人不敬的罪证。
2·The only thing that separates her family's summer home from the flames, is a less than one-meter wide trench she and her father dug themselves.
唯一能把她家用来过暑假的房子和大火分开的就是她和她父亲自己挖的一条不到一米宽的沟。
3·After four and a half field seasons, I have finally reached bedrock in the deep trench in the East Court!
在四个半挖掘季之后，我终于到达了东院深沟中的基岩！
4·My colleague had gone back up to the truck to get some tools, and 30 seconds later the trench caved in on me.
我的同事回到卡车上去拿些工具，30秒后沟塌了，土压在我身上。
5·From nine to eleven he planned to dig a hole, or trench, and possibly find something good to eat buried in the dirt.
九点到十一点，他打算挖一个洞，或者一条小沟也行，没准儿还能从脏土里翻出什么好吃的呢。
1·Miraculously he managed to reach his friend, hoisted him onto his shoulder, and brought him back to their company's trench.
他奇迹般地冲到了朋友的身边，将他背回战壕。
2·Then we all got out of the trench.
然后所有的人都走出了战壕。
3·In the trench he will die before nightfall.
战壕中的他将在夜暗前死去。
4·For a while the German stayed still until, eager to be certain, he peered over the trench. Gorbatenko shot him through the head.
那德国人等了一会儿，探头出战壕想看清楚，被戈尔巴坚科一枪射穿了头颅。
5·We managed to expel the enemy from the trench.
我们终于把敌人赶出战壕。
1·By 1918 the Germans had constructed some trench systems that had a depth of 14 miles (22 km).
1918年时，德军已经建造了一些纵深达到14英里(和22公里)的堑壕体系。
2·The trench lines of the Petersburg–Richmond theatre of operations in the final months of that war were the foremost example of trench warfare in the 19th century.
在那场战争的最后几个月里，彼得斯堡-里士满战区的壕沟体系是堑壕战在19世纪得到应用的先例。
3·The typical trench system in World War I consisted of a series of two, three, four, or more trench lines running parallel to each other and being at least 1 mile (1.6 km) in depth.
第一次世界大战时典型的堑壕体系由2至4条以至更多的一系列壕沟组成，壕沟之间彼此平行，而且纵深可以达到1英里（合1.6公里）。
4·Trench warfare is resorted to when the superior firepower of the defense compels the opposing forces to "dig in" so extensively as to sacrifice their mobility in order to gain protection.
当防守方的优势火力迫使敌方广泛“掘壕”，以牺牲机动性来获得防护力时，就会发生堑壕战。
1·In a trench dug by a University of South Florida Coastal Research Lab team, layers of oil-stained sand light up orange under ultraviolet light. Clean sand appears violet.
南佛罗里达大学海岸研究实验室的团队挖掘的一条地沟，沾了油污的沙子在紫外线下为橙色，而干净的沙子为紫色。
2·A woman in the trench is clutching a baby and crying desperately.
地沟中的一名妇女紧抱着她的孩子，绝望的哭喊着。
3·Proper authorization shall be obtained before any chemical or waste is disposed of in a trench, a sump or to the ground.
未经批准不得在地沟、坑池或地面上处理任何化学品或废弃物。
4·R409 + pipeline trench through the roof and installation of roof rain.
R 409 +管道穿屋面及地沟顶板防雨装置。