Dideuteride
二氘化物
??? 情景例句
That guy is as fat as a pig.
那家伙胖得像頭豬。
It's up in the air.
尚未決定。
Will you help me fix up this sheet? Then it'll give us some shade.
幫我固定一下布單，好嗎？這樣可以給我們一些陰涼。