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
Have you ever held a secretarial position?
你曾当过秘书吗？
It's been a long time.
好久不见了。
My teacher's gifted instruction lived on after her death.
我的教师逝世后，她宝贵的教诲仍继续长存。