lower lip

例句：

1. 1. She lowered her lower lipand whispered to him.
   她压低了下唇，小声地对他说。
2. 2. Thelower lip was slightlyswollen from the bite.
   下唇因为被咬而微微肿胀。
3. 3. He lowered his lower lip inembarrassment.
   他因尴尬而低垂着下唇。