He picked up two plastic buckets and rushed to the center of the village, where a fire engine arrives once a day to provide water for residents.

他提起两个塑料水桶奔向村子的中心位置，消防车每天都会来这里一次，为居民们提供水源。

Not once a day, but twice a day.

一天还不止一次，两次。

Take two tablets once a day.

每天服用一次，一次两颗。

The page only changes once a day.

页面每天只能改变一次。

Brush twice a day, and floss once a day.

一天刷牙两次，用牙线洁牙一次。

When I say this, I mean at least once a day.

我的意思是至少一天一次。

Not once a day, but twice a day. Sometimes three.

不是一天一次，而是一天两次，甚至是三次。

And just do it once a day, for 30 minutes or so.

并且每天只花30分钟去这样做。

In addition, you should floss at least once a day.

此外，你每天至少要用一次牙线。

I currently check my stats once a day out of habit.

出于习惯，我目前每天察看一次网站统计。

It assumes you are checking-in code at least once a day.

它认为每天只要至少签入一次代码即可。

Set enough time aside to brainstorm at least once a day.

最少每天给时间。

Never call someone more than once a day unless they reply.

永远不要一天之内给对方打第二次电话除非他回电话。

Only allow yourself to do email once a day, for 30 minutes.

这样吧，每天只允许自己检查一次电子邮件，每次30分钟。

Go outside at least once a day, and if possible, take a walk.

至少一天到户外一次，如果可能的话，散个步。

Take gravity out of the equation once a day for five minutes.

每天花五分钟时间，自在地随意平衡摆脱地球重力的束缚。

Figure out how frequently you need to answer your email: once a day?

想一想你多久需要回复邮件：一天一次？

The patient's doctor has instructed him to take the medication once a day.

该病人的医师嘱咐他一天服一次药。

Can you reduce going to the grocery store from once a day to twice a week?

你是否能够从每天一次购物减少为每周两次呢？

Floss your teeth at least once a day in order to remove decaying food.

每天至少用牙线清洁牙齿一次，以清除残留在牙缝间的腐烂食物。

These builds can be run more infrequently (like once a day, for instance).

这些构建可以以更低的频率运行(如一天一次)。

The snapshots will run once a day, storing new data in the data warehouse.

快照将每天运行一次，并在数据仓库中存储新数据。

There are lots of mutual funds and the data is normally updated once a day.

这里有许多公共基金数据，并且这些数据通常每天更新一次。

If you only want to brush and floss your teeth once a day, do it before bedtime.

如果你一天只想刷一次牙，那就在睡前好了。

Perhaps unsurprisingly, half of the UK's bachelors eat a meal alone at least once a day.

英国半数单身汉每天至少独自吃一顿饭，这也许并不让人惊讶。