Landmann's tyberculin
[医] 兰德曼氏结核菌素, 纯结核菌素
🧩 词语组成解析
[医] 结核菌素
🗣️ 情景例句
He'll be back soon.
他很快就回来。
Here's your change.
这是找你的钱。
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管"，给他们正在使用的机器提供压缩空气。