I brush my teeth three times a day.

我每天刷三次牙。

youdao

The dentist advises me to brush my teeth three times a day.

牙医建议我一天刷三次牙。

youdao

Signal levels increase three - to five-fold, and patients report that the brush optrode is considerably more comfortable than the conventional fiber ends.

现在的信号电平增加了三到五倍，病人也说，光纤化学传感刷比传统的纤维终端要舒服得多。

youdao

The steeplechase follows, a 3, 105m course featuring three brush fences that have to be jumped three times and, once again, it must be completed within a time limit.

BBC: SPORT | TV/Radio Listings | Grandstand | Three-day eventing explained

Three-quarters claim to brush their teeth twice a day, squeezing out an average of four toothpaste tubes a year, against three in Britain.

ECONOMIST: France��s bathroom blues