Mayor's sign
[医] 梅尔氏征(妊娠时胎心跳动音)
🧩 词语组成解析
🗣️ 情景例句
Yes, that's right. They'll be there in no time.
没错，货很快就会运到。
He majored in Computers.
他主修计算机。
Half an hour later ,she woke up and began to cry.
半小时后她醒了，哭了起来。