Undercoat
n. 下层绒毛, 底漆, 内涂层\\n[化] 底漆
✅ 同义词
📖 牛津释义
undercoat
n
1 [U, C] (paint used for making a) layer of paint under a finishing coat 底层（涂料）. Cf 参看 topcoat (top1).
2 [U] (US) = underseal.
🗣️ 情景例句
Hi, there!
你好！
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
CUSTOMS OFFICER: Are you tourists?
你们是来旅游的吗？