If plaque is not removed, it builds up and gets under the gum line.(如果牙菌斑不清除,它就会堆积并钻到牙龈下面。)
It mainly be suited for these industries:rolling shear, cut grain, package, gum elastic, heath, matter, food, timber, etc.(它主要适用于以下行业:滚剪,切粒,包装,松紧胶,健康,物质,食品,木材等。)
When not removed, plaque causes tooth decay and gum disease.(牙斑没有清除就会导致蛀牙和牙龈疾病。)
Plaque is always forming on the teeth, especially at the gum line.(牙菌斑总是在牙齿上形成,特别是在牙龈线上。)
Eucommia ulmoides gum is a crystalline particle existing in the bark and leaf of Duzhong tree.(杜仲胶是杜仲树树皮和叶片中存在的一种结晶颗粒。)
He is always chewing gum.(他总是在嚼口香糖。)
They are late, chew gum, talk to deskmates and have to be reprimanded and sent to the headteacher who is also a senior pupil.(他们迟到,嚼口香糖,和同桌说话,必须受到训斥,并被送到同样是高年级学生的班主任那里。)
She swallowed her gum.(她把口香糖给吞下去了。)
Sugarless yogurt could help beat bad breath, tooth decay and gum disease.(无糖酸奶有助于缓解口腔异味、蛀牙和牙龈疾病。)
Suppose you know that there is a type of chewing gum that will give you bad breath.(假设你知道有一种口香糖会让你有不好闻的口气。)