lower lip line

例句：

1. 1. The doctordrew a line on her lower lip tomark the spot where she had been bitten.
   医生在她的下唇上画了一条线，标记出她被咬伤的地方。
2. 2. The artist used a pencil to drawa line across her lower lip.
   艺术家用铅笔在了她的下唇上划了一道线。
3. 3. The policeman marked the lowerlip line with a pen and wrote "Murder" in big letters.
   警察用笔在了下唇线上，用大号字体写下了“谋杀”。