Underwool
n. （动物的）内层绒毛； 羊绒
🗣️ 情景例句
Just because you major in English, don't think that you will have mastered real English.
不要以为你是英语专业的就能精通“真正”的英语。
Action speak louder than words.
事实胜于雄辩。
I had at half past twelve.
我在12点半吃的。