Even back then, it was also recognized as a breath freshener.
即使是那时它也同样被认为是能清新口气的。
英语二
Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.
曾经只有青春期的小男孩购买的口香糖现在在商业广告中被宣传为饭后使用的口气清新剂和牙齿清洁剂。
英语百科
Mouthwash
Mouthwash, mouth rinse, oral rinse or mouth bath, is a liquid which is held in the mouth passively or swilled around the mouth by contraction of the perioral muscles and/or movement of the head, and may be gargled, where the head is tilted back and the liquid bubbled at the back of the mouth.