tooth pick

例句：

1. 1. I need to use my tooth pick to clean my teeth.
   我需要用牙签来清洁我的牙齿。
2. 2.She used her tooth pick to remove the stuck food from her mouth.
   她用牙签把嘴里卡住的食物取了出来。
3. 3.The dentist gave me a tooth pick as a gift for my birthday.
   牙医送给我一个牙签作为生日礼物。