Underlayment
n. 地毯衬,屋面衬垫材料
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
The Wayle is a small river that cuts across the park near my home.
威尔河是横穿过我家附近公园的一条小河。