Underwool
n. （动物的）内层绒毛； 羊绒
🗣️ 情景例句
I've got to explain about it.
我得解释一下此事。
Speak of angels and you will hear their wings.
说到曹操，曹操就到。
The next morning the whole family trooped in to watch the performance.
第二天早晨全家人结队来到起居室看我表演。