Gold can't be pure and man can't be perfect.

In a word , from that time China changed her orientation.

总之是从此以后, 中国改换了方向.

The transmission on his car has been converted from manual to automatic.

他那辆汽车的传动已从人工改换自动.

There is a 3 month minimum period before you may change back.

你不可以在3个月的期间之前改换.

Several lenses mounted on a turret arrangement permit quick lens changes.

几个不同的镜头装在透镜旋转台上,这样可以很快改换镜头.

Did you propose a change in the material of packaging?

刚刚你建议改换包装材料,是 吗 ?

Help may come either from other human beings or-from a different quarter.

也许能从别人那里或从改换的环境中获得益处.

He had to get off the water and into some faster transport as soon as possible.

他必须尽快脱离水路,改换速度更快的交通工具.

She was only keeping her hand in.

现在她仅仅是在操练技艺.

The captain set his soldiers various exercises.

上尉让他的士兵做各种操练.

The soldiers are here for a NATO exercise.

士兵到这里参加北大西洋公约组织的操演.

Go to swim when it clears up.

等天晴了,再去游.

The sky is now clear of clouds.

现在天晴了.

I pray to be with you through rain and shiny day.

我祈祷着不管在雨天或天晴都和你在一起.

It was cloudy yesterday, but it turned out fine.

昨天多云, 但后来天晴了.

The weatherforecast said fair in the morning, later cloudy.

气象预报说早上天晴后转阴.

He remembered those clear nights and the moon bright on the silver tails of the foxes.

他记起那些天晴的夜晚,以及照在狐狸银色尾巴上的明亮的月亮.

Those dark clouds will probably bring rain.

那片乌云很可能要降雨.

It is only where rainfall is continued that continuous flow systems develop.

只有在连续降雨的情况下,水的连续流动体系才会得以发展.

Rain or snow falls when a cloud is cooled suddenly.

当一块云突然变冷时,就降雨或降雪.

This would have effects on wind and rain in the weather picture.

这将在气象云图上表现为对风力和降雨的影响.