?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
You guys are like three kids.
你們就像三個孩子。
We can't rely on him.
我們不能依賴他。
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殼的基本模殼，