noun 下载 🔗分享 牙膏 A paste, normally used with a toothbrush, for cleaning the teeth. Examples : "The store had a wide selection of toothpastes, including whitening and fluoride options. " 这家商店有很多种牙膏，包括美白的和含氟的。 medicine substance item body 与AI对话词汇游戏阅读练习
