Underlayment
n. 地毯衬,屋面衬垫材料
🗣️ 情景例句
This is a good start.
这是一个好的开始。
The evils we bring on ourselves are the hardest to bear.
自作孽不可活。
Our climate is not very good,but it's certainly interesting.
虽然我们国家的气候并不很好，但又确实很有意思。