常見例句用作名詞 (n.)Gums and mucilages are not distinguishable chemically.用化學(xué)的方法區(qū)分不出樹膠和粘膠。Even my tongue and my gums were brightly colored.甚至我的舌和我的口香糖都被塗成了鮮豔的顔色。The usefulness of chewing gums is widely recognized.大家知道,嚼口香糖是有好処的。 返回 gums