Underlayers
(underlayer 的复数) n.下层, 底层,衬层
🗣️ 情景例句
Thank you, Tom.
谢谢你， Tom。
We hope to hear from you soon and can assure you that your order will be dealt with promptly.
希望尽快收到贵方答复，我们保证及时处理对方定单。
Who's he?
他是谁？