1. She swept her hair back with a comb.
   她用梳子将头发往后梳。
2. A comb has teeth.
   梳子有梳齿
3. She is combing her hair.
   她在梳头。
4. We combed the city to look for our lost dog.
   我们搜遍了全城寻找我们走失了的狗。
5. The sharp parts of a comB or a saw are called teeth.
   梳子和锯子的尖锐部分叫作齿。

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