B. e.
[医] 结核菌乳剂
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
By other's faults, wise men correct their own.
他山之石，可以攻玉。
Not at all.
不用谢。