B. e.
[医] 结核菌乳剂
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
He had a great capacity for learning.
他的学习能力很强。
Hardships never come alone.
祸不单行。
Just pencil in the changes and we'll retype it.
修改的地方请用铅笔，我们会重打。