roll-on · Learn English释义（英文）
形容词 Adjective
- (of deodorant, etc.) Applied by means of a ball that can be rotated to pick up liquid from the inner reservoir.
名词 Noun
- (dated, often in the plural) A type of corset which is rolled on to the body.
- A cosmetic product (especially a deodorant) applied by means of a ball at the head of a container, which rolls the product on to the skin etc.