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
I've known Martin for years.
我认识马丁好多年了。
Do you ever play basketball after school?
你曾经在放学后打篮球吗？
I'm eleven. How old are you?
我11岁。你多大？