Trihydroxide
[医] 三羟化物
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
And I got it on sale.
我在大减价时买的。
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。