Boyce's sign
[医] 波依斯氏征(食管憩室的一种颈部听诊体征)
🧩 词语组成解析
🗣️ 情景例句
If you're not sure, then the answer should probably be no.
如果你不确定，那么答案可能就是“不”了。
It's bleeding.You'd better go see a doctor about that cut.
它正在流血. 你最好为那个刀口去看医生。
A blurred image appears; he adds a brushstroke and another, and it is gone;
一个朦胧的形象出现在作家的脑海里，他左添一笔，右添一笔，形象反而消逝了；