An electron has a negative charge,a proton has a positive charge.

带负荷,质带正荷。

The positive pole carries a positive charge while the negative pole does a negative charge.

正极带正荷, 负极带负荷。

The old servant fulfilled his master's charge to care for the children.

老仆人履行了其主人要他照料孩的指示。

How much do you charge for your mushrooms?

你的蘑菇要什么价钱?

Are you paying cash or is this a charge?

你付现金呢还记帐?

He used his position to repudiate the charge.

他利用自己的职位来否认指控。

Electrons are negatively charged with electricity,protons are positively charged.

带负荷的,质带正荷的。

There is a nominal charge for postage and handling.

对于邮寄和搬运征性的收。

You'll have to pay excess postal charges on this letter.

这封信你必须付超重邮资。

There is no service charge and tipping is at your discretion.

收服务，小您看着办。

There’s a shipping charge of ￡5 added to the price.

价格之外另加五英镑运输。

There is a vivid description of a fierce bayonet charge in the novel.

这本小说中有一段激烈的白刃战的生动描写。

Both women vehemently deny the charges against them.

两名妇女都激烈地否认了对她们的指控。

CBF can neutralize some electric charge of colloidal particles and make colloidal particles to sedimentate.

CBF可以中和胶体颗粒表面的部分荷，使胶粒脱稳沉淀。

Passengers have to pay additional charges for their extra luggages.

旅客们超量携带的行李要额外付。

He gave over charge of his office to his successor today.

他今天向继任者交接了工作。

The tax collector has been charged with extorting money from several shopkeepers.

收税员受到指控,罪名向几个店主勒索钱财。

I'm charging you with cleaning the room before you go.

我要你负责把房间打扫干净再走。

The beauty parlour priced itself out of the market by charging so much.

"那美容院自己定价过高,以致无人问津。"

Includes AC battery recharger, charging stand, pipette holder with safety valve, and filter.

包括交流池充器，充器座，移液器 架（带安全阀，以及过滤器等）。