It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.

看来，板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。

youdao

It is difficult to see how this applies to the ridge in the South Atlantic, where neither the African nor the American plate has a sinking part.

很难看出这如何适用于南大西洋的山脊，在那里，非洲板块和美洲板块都没有下沉的部分。

youdao

She watched him go with a sinking heart.

她心情沉重地看着他走了。

《牛津词典》

President Obama says he inherited massive government debt and a sinking economy from his predecessor,President Bush, and that only drastic action will correct the situation while investing in the nation's needs pertaining to health care, energy independence,and education.

VOA: standard.2009.03.15

A sinking dollar means a poorer nation and a superpower with a sinking currency is a contradiction in terms."

美元疲软意味着国家的衰落,而美国本身又是个超级大国,两者未免自相矛盾“

斯坦福公开课 - 经济学课程节选

Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.

当你考试考砸的时候,你的胃会垂下去,或者说,会有胃部下垂的感觉

耶鲁公开课 - 死亡课程节选

Two thirds through the essay one gets a sinking feeling that we are doomed.

FORBES: Tyler Cowen's Techno Slump

Floating-rate securities, securities with puts, securities where, if certain things happened, a sinking fund kicked in.

FORBES: Dow Jones Interactive

There is growing belief Greece is a sinking ship within the EU that cannot be righted.

FORBES: Comex Gold Ends Sharply Lower amid Stronger U.S. Dollar Index