用牙签把残留在齿间的食物残渣去除掉,既维护口腔卫生,又能保持个人形象。记得有一本小说中曾提及:“素质在一根牙签上。”在使用牙签时,有人不怎么讲究,丢下筷子拿起牙签就肆无忌惮地“挑剔撩拨”;而有人则会用一只手把嘴巴轻轻遮掩起来,另一只手小心的剔牙,礼 Use a toothpick to remove the residue of food residue between the teeth, both to maintain oral hygiene, but also to maintain personal image. I remember there was a novel that said: “The quality of a toothpick.” “When using a toothpick, some people are not very particular about it, leaving the chopsticks pick up the toothpick unscrupully ” picky tease "; while others will Gently cover the mouth with one hand, the other hand carefully ticking, ceremony