Potain's sign
[医] 波坦氏征(主动脉扩大时的一种叩诊和听诊体征;金属音色)
🧩 词语组成解析
🗣️ 情景例句
What time do you usually have supper?
你通常几点吃晚餐？
A wise man will make tools of what comes to hand.
聪明的人能随机应变。
The question was, which one?
问题是，哪一种气体导致火灾呢？