Fredericq's sign
[医] 弗雷代里克氏征(肺结核患者牙龈上的红线)
🧩 词语组成解析
🗣️ 情景例句
Did any of your previous positions require typing?
你以前的职务中有没有需要打字的？
Packing charges are excluded in the quoted prices.
包装费用未算在报价中。
Nothing serious, I hope.
我希望没什么大病。