Arlef
氟灭酸; 甲灭酸
🗣️ 情景例句
I don't care what the critics say, Mr. Stewart.
我不管评论家怎么说 ，Stewart先生
It's only a suggestion, you don't have to take it.
这只是一个建议，你可以不听。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。