Koch's reaction
[医] 郭霍氏反应, 结核菌素反应
🧩 词语组成解析
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
You're very stingy.
你也太小气了！
Trust me, the game is really worth playing.
相信我，这游戏确实值得一玩。