它用英语可以翻译为:it's,its和thereof。例句:It is about a metre in length. 它大约有一米长。It answers admirably.它极为成功。

它的的英文:
it's
its
thereof

参考例句:

If you think it all hinged on the pilot wearing his lucky underpants, you’re superstitious.
如果你认为它完全取决于航天员穿着了幸运内裤,你就是迷信思维。

It is free from air, moisture or impurities.
它不含空气,水份和杂物。

At the end, there was a beautiful palace all of gold and ivory and jewels,something far too beautiful for a mere mortal.
在尽头,有一座由黄金、象牙、珠宝建成的华丽宫殿。 对一个凡人来说,它实在是美得难以想象。

It earned three Grammy Awards.
它赢得三项格莱美奖。

It is enclosed in a capsule.
它包在胶囊里。

It answers admirably.
它极为成功。

The alligator thrashed its tail.
短吻鳄摆动着它的尾巴。

The radio is blaring, turn it off!
收音机太吵了,把它关掉!

It is not something ephemeral. 
它不是朝生暮死的东西。

It would exacerbate partisanship.
它可能激怒政党。

It is about a metre in length. 
它大约有一米长。

its是什么意思:
pron. 它的

例句:

The noes have it.
投反对票者占多数。

There is no percentage in it. 
没有赚头。

The ayes have it.
赞成者占多数。

That is pushing it.
那是在推动它。

Buy it. Use it. It give you what you need. You’ll like it. In fact you’ll love it. Get it.
买吧。用它吧。这真是您所需要的。您会喜欢它的。事实上您会爱上它的,买去吧。

thereof是什么意思:
adv. 其;在其中;由此

例句:

Sufficient for the day is the evil thereof.
一天的不幸已够人受的了,别再自寻烦恼。

But the Contractor shall be responsible for his own interpretation thereof.
承包商应对他自己对上述资料的解释负责。

The discharge and pollutants and the operations thereof are not recorded as required.
不按照规定记载涉及污染物排放及操作记录的。

All citizens of the United Kingdom are ruled by the laws thereof.
英联盟的全体公民都受联盟法律的约束。

If the oxide film is hard, sliding occurs on the outside thereof. 
如果氧化膜较硬,则滑动在它们的外面发生。