Composition b
[化] B炸药(如中国的黑梯炸药)
🧩 词语组成解析
🗣️ 情景例句
He made good in business.
他事业成功。
Wit bought is better than wit taught.
不经一事，不长一智。
I'll phone Dr. Carter.
我去给卡特医生打电话。