松动: 1.(不拥挤) become less crowded2.(经济宽裕) not hard up3.(活动) become flexible; loosen; loosened 短语和例子她的口气有点松动。 she has become a bit more flexible. 我的一个牙齿松动了。 i have a loose tooth.4.(不稳当) tottering
牙松动: gomphiasis/odontoseisislooseness of teethloosening of the toothodontoseisis
