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
Karaoke isn't really a performing art.
卡拉 OK 不算是真正的表演艺术。
An oak is not felled at one stroke.
万事不能一蹴而就。
Goodbye.
再见。