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
You have some guests in the reception room.
有几位客人在接待室等 。
United's Flight 102 leaves at 9:20.
联合公司的102次班机9点20分起飞。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，