Mendel reaction
[医] 孟德尔氏反应(结核菌素皮内试验)
🧩 词语组成解析
n. 孟德尔（奥地利遗传学家）
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
I'm not myself today.
我今天心神不宁。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，