Underwool
n. （动物的）内层绒毛； 羊绒
🗣️ 情景例句
How are you?
好吗？
The product gives you an edge over your competitors,I guess.
我认为你们的产品可以使你们胜过竞争对手。
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。