Commissure of lips
[醫] 唇連合, 口角
?? 詞語組成解析
n. 合縫處, 接索, 接合\\n[醫] 連合
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
n. 嘴唇（lip的復數）
??? 情景例句
You will only have to pay another ten cents and a nickle for your child.
你只需另外再付10美分，而你的孩子只要再付5美分。
I'll be ready in a few minutes.
再過幾分鐘就好了。
When I was a teenager, I felt that I was just young and uncertain --
我十幾歲時，總感到自己年輕，有些事拿不準 --