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 got it.
我猜对了。
To solve the problem
解决问题
Good sir. I beg for mercy and beg your pardon.
仁慈的先生，我乞求你的饶恕和原谅。