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
That's just what I was thinking.
我正是那么想的。
I ate bread for breakfast yesterday.
我昨天早饭吃的是面包。
You are a walking dictionary.
你是活字典。