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1·The toothbrush gently removes plaque without damaging the gums or causing bleeding.

牙刷轻轻地刷去齿菌斑，没有伤及牙床或引起出血。《柯林斯英汉双解大词典》

2·In Europe, it was found that wild boar hair was too stiff and made the gums bleed, so horsehair, which was softer, was used instead.

在欧洲，人们发现野猪毛太硬，会使牙龈流血，所以就改用了更为柔软的马毛。

3·Buy lots of chewing gums or lollipops.

买一大堆口香糖或棒棒糖。

4·The bacteria in plaque make poisons that attack the gums.

牙菌斑中的细菌会产生损伤牙龈的毒素。

5·One of the most recent applications of gums is in film forming.

齿龈的最新应用之一是成膜。

6·The property of polysaccharide gums in Gleditsia sinensis Lam is studied.

对皂荚的多糖胶性质进行了研究。

7·Resins and gums are highly flammable.

树脂和树胶也非常易燃。

8·Rotting teeth and gums.

腐烂的牙齿和牙龈。

9·Gums that bleed when you brush or floss.

刷牙或使用牙线时，牙龈出血。

10·My gums bleed.

我牙床出血。

(1)chewing gum口香糖，泡泡糖

(1)xanthan gum黄原胶

(1)guar gum[化]瓜尔豆胶

(1)bubble gum泡泡糖

(1)gum arabic阿拉伯树胶；水溶性阿拉伯胶

(1)chew gum嚼口香糖