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 watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
John has his own family now.
约翰现在有自己的家了。
Do you still ask for this pound of flesh?
你还要求得到这一磅肉吗？