B. e.
[医] 结核菌乳剂
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
He sketched his own part in the affair.
他概述了自己在此事中的作用。
Drinks can be cooled by placing them on ice rather than adding ice to them.
可以把饮料置于冰块之上来冷却，而不是把冰块加进饮料之中。