Bolt's sign
[医] 博耳特氏征(子宫外孕病人举子宫颈时引起剧痛)
🧩 词语组成解析
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
Li Lei.
李垒。