ocean crust

• n. 大洋地壳；洋壳

ocean crust的用法和样例：

例句

用作名词 (n.)

1. The sinking of oceanic crust at subduction zones carries water and carbon dioxide back into the mantle.
   在俯冲区洋壳下沉，又把水和二氧化碳带回地下。
2. The REE contents of rockbodies in geosynclines are relatively low because of their origination from the high proportion remelting of subducted ocean crust.
   地槽区岩体的稀土元素含量及多种参数相对较低，主要与其起源于俯冲洋壳较大比例重熔有关。