oceanic trench是什么意思 oceanic trench怎么读
oceanic trench的用法和样例
- The greatest depths of the ocean are found in the ocean trenches.
海洋的最深深度是在这片海沟中测出的。 - Consider the abyssal valley called the Marianas Trench, lying west of Guam.
留心一下位于关岛西面的名叫马利亚纳海沟的深海谷地。
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