Pentoxide
n. [化]五氧化物
🗣️ 情景例句
He is a leader in his field.
他是他行业的领导者。
I'm old enough to make up my own mind.
我是够年纪做自己的决定了。
Dogs, it seems, love to chew up money!
看起来，狗很喜欢咀嚼钱币。