Ridded
rid的过去式和过去分词
🗣️ 情景例句
Yes.
是的。
How long have you had it?
你得这病多久了？
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。