Lewis acid
[化] 路易斯酸
🧩 词语组成解析
n. 吊楔
🗣️ 情景例句
He accepted an offer of help.
他接受了援助的建议。
A friend is a second self.
朋友是另一个我。
Were you able to quote on all the items we need?
我们需要的每个项目你都能报价吗。