Verco's sign
[医] 维尔科氏征(结节性红斑时,指(趾)甲下出血性斑纹)
🧩 词语组成解析
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
He is in conference.
他正在开会。
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。