答案

teeth

解析

“牙齒”的英文單詞是“tooth”，例句：I have gone to the dentist to extract the bad tooth.我已到牙科醫(yī)生那里把壞牙拔掉了。Have you brushed your teeth?你刷牙了嗎？

擴展知識

teeth的雙語例句

Draw the floss backwards and forwards between the teeth.

將牙線在齒間來回拉動。

The front cog has 44 teeth.

前齒輪有44個齒。

I need to have two teeth filled.

我有兩顆牙要補。

Choose an essay topic that you can really get your teeth into.

選擇一個你可以真正悉心鉆研的論文題目。

A high proportion of five-year-olds have teeth in poor condition.

五歲兒童牙齒不健康的比例高。