Traditionally moderns mordants were found in nature. Wood ash is one of example.

A particle should be accompanied in nature by a sister particle.

一种粒子实际上必须伴随一种姐妹粒子.

This is a chance that can't in nature be missed.

这是一个绝不能失去的机会.

Never desert a friend in need.

决不要抛弃有困难的朋友.

Remember that when both of you were in need, I was the one who loaned you money.

记住，在你们两个都有困难的时候，是我借钱给你们的。

Now's the time when we are in need of personnel.

现在正是用人的时候.

Even sympathetic commentators say the SPD is exhausted and in need of a spell in opposition.

甚至连仁慈的时事评论员也认为社民党油灯苦尽,需要反对党改朝换代了.

Some prison practices are in need of root and branch reform.

有些监狱的做法需要彻底改革。

She is in need of a rest.

她需要休息.

The criminal justice system is in need of urgent reform to prevent more people being wrongfully imprisoned.

刑事司法体制亟须改革，以防止更多人蒙冤入狱。

What are you in need of? I'll go and get it.

需要 什么 ?我去奔.

The room was sorely in need of a fresh coat of paint.

这间屋子很需要重新粉刷一次.

It dawns on a familiar, workaday place, still in need of groceries and sewage disposal.

它洒在一个司空见惯, 平凡庸碌的地方, 一个仍然无法摆脱食品杂货,污水处理的地方.

The law is in need of revision.

这法律需要修改.

I was all right but in need of rest.

我没事，就是需要休息一下。

There was damp everywhere and the entire building was in need of rewiring.

到处都受了潮，整栋楼需要重新布线。

He was badly in need of a shave.

他早就应该刮一下胡子了。

According to users can also request modifications, as other industries in need of compressed air source.

亦可根据用户使用要求进行改装, 作为其它行业中需要的压缩空气来源.

This house is in need of repair.

这栋房子需要整修.

Many of the buildings are in need of repair.

许多建筑需要整修。

Perhaps they are in need of our help.

也许他们需要我们的帮助.