Rhombochasm
n. [地]菱形裂口
🗣️ 情景例句
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
So far so good.
目前为止，一切都好。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，