妙语佳句:

At least there's no problem preventing food from decay.但至少食物不会变质。

at least:至少

We should brush our teeth at least twice a day.

我们每天应该至少刷两次牙。

prevent from:阻止, 防止, 使不

I was prevented from going by urgent business.

我因急事不能去。

Use soap wash hand is a way to prevent from sick.

用肥皂洗手是有效防止疾病传播的一种方式。

First, they round up their strongest animals with lassoes,首先，他们用套索将最强壮的牲畜套住衣服里。

round up:赶拢, 使集中

Both parties had an active campaign to round up the votes.

双方都积极开展竞选运动来拉选票。

They try to round up a scattered herd of cattle.

他们试图把分散的牲口赶在一起。

Every week or so, these families have to travel to find new feeding grounds for their herds.基本上每周这些家庭都要为牧群寻找新的觅食地

travel to:到 ... 旅行

Midweek is a good time to travel to avoid the crowds.

星期三是避开人群去旅行的最佳时间。

Soon it will be commonplace for people to travel to the moon.

不用多久，人们到月球旅行会变成常见的事了。