提示：点击例句中的单词，就可以看到词义解释

To keep gums healthy , practice good oral hygiene .

想保持牙龈健康，就需要良好的牙龈卫生。

Hold the brush at a slight angle to the gums .

牙刷稍微倾斜，与牙龈保持一定的角度。

Healthy gums should look pink and firm , not red and swollen .

健康的牙龈看上去应该是粉色且牢固的，而不是红色且肿胀的。

Rubbing the gums with a topical pain relief gel is also an option , but you may want to ask the doctor before trying it .

还有一种选择是，使用止痛凝胶给宝宝按摩牙床，但是在试用之前最好询问一下医生。

You want to remove plaque without brushing too hard and damaging your gums .

你不需要为了去除菌斑就大力的去刷而损伤牙龈。