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
Guess what I just found out.
你猜我刚知道了什么？
Custom without reason is but ancient error.
习俗没有道理，古代谬误而已。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。