Hydroxylammonium
羟铵
🗣️ 情景例句
Probably a lot of advertising and bills.
大概是一大堆广告和帐单。
The question hung in the air.
这个问题仍悬而未决。
Frank gently lifted the crockery out of the box an suddenly noticed a miniature painting at the bottom of the packing case.
弗兰克轻轻地把陶器拿出箱子，突然发现在箱底有一幅微型画，