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to spread or rub a substance such as cream or paint on a surface
涂，敷
敷面膜就是apply a facial mask，需要注意的是mask也有口罩的意思。
Apply the cream liberally to exposed areas every three hours and after swimming.
每3小时及游泳后将防晒霜充分涂抹于身体裸露部位。
The paint should be applied thinly and evenly.
漆应该薄薄地刷上一层，且要刷得均匀。