今年二月份的天数是二十八天。

The number of days in February this year is 28.

youdao

本年仲春份的天数是二十八天。

The numgrow to ber of days in February this year is 28.

youdao

二月有二十八天。

There are twenty-eight days in February.

youdao

我们通常在混凝土灌注后二十八天测 定其强度。

We usually measure the strength of concrete at 28 days after it has been cast.

youdao

血浆中血红蛋白的含量从采集完第十天百分之50毫克的含量上升到第二十八天百分之100毫克。

The plasma hemoglobin rose from about 50 mg. percent on the 10th day after collection to 100 mg. percent on the 28th day.

youdao

秘书长需在二十八天内，将所有变更事项以书面通知社团注册处及国际业馀无线电联盟第三区秘书处。

The secretary will submit to the registrar of societies and to the secretariat of iaru region 3, within twenty - eight days written notice of any alterations made.

youdao

“生命节律说”是所谓关于人的体力、情绪、智力分别具有二十三天、二十八天、三十三天节奏变化的理论。

"Life Circle" is a theory which deals with the periodicity of physical strength, (?) on and intelligence of human beings.

youdao

那么我在那个暑假班是这样规定的，所以有一位是二十六天能背得出〈楞严咒〉，有一位是二十八天能背出〈楞严咒〉。

There was one who memorized the Shurangama Mantra in twenty-six days, and another who memorized it in twenty-eight days.

youdao

那么我在那个暑假班是这样规定的，所以有一位是二十六天能背得出〈楞严咒〉，有一位是二十八天能背出〈楞严咒〉。

There was one who memorized the Shurangama Mantra in twenty-six days, and another who memorized it in twenty-eight days.

youdao