twice a week

基本解釋

She does for us twice a week.
她每周兩次來(lái)幫我們做家務(wù)。
I mop the kitchen floor twice a week.
我一星期兩次用拖把拖廚房的地板。
He continues to return twice a week on his "babysitting nights" and every other weekend, so his contact with the children hasn't really changed.
在每周兩次的“照顧孩子之夜”、以及每隔一個(gè)周的周末，他還是會(huì)回來(lái)，因此他與孩子的接觸實(shí)際上并未改變。

And they meet twice a week after school to learn dance moves that go with the music.
As much as I might talk on stage twice a week it turns out that it's really by doing and really by diving in and getting your hands dirty that you really take away the course's lessons.
我一周上兩次課,就算說(shuō)得再多，也不如你們親自動(dòng)手,通過(guò)真正的深入研究,才能學(xué)到知識(shí)。
哈佛公開(kāi)課 - 計(jì)算機(jī)科學(xué)課程節(jié)選
So it'll be a time once or twice a week where they will be in their office.
所以，他們大概每周有一兩次會(huì)在辦公室里。
與教授的面談 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

That was far easier for me to do than to eat Tasti D-Lite twice a week.
FORBES: Are You Trying to Eat Better?