Unsaturated acid
[化] 不饱和酸
🧩 词语组成解析
a. 没有饱和的, 不饱和的
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
She was flattered at the invitation.
她受到邀请，不胜荣幸。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。