it's
英 [ɪts]
美 [ɪts]
it is 的常用口语形式; it has 的常用口语形式,尤用于 has 用作助动词时
Collins.5
柯林斯词典
- (it is 的常用口语形式)
It'sis the usual spoken form of 'it is'.- It's the best news I've heard in a long time.
这是我很久以来听到的最好消息。 
 - It's the best news I've heard in a long time.
 - (it has 的常用口语形式,尤用于 has 用作助动词时)
It'sis the usual spoken form of 'it has', especially when 'has' is an auxiliary verb.- It's been such a long time since I played.
自我上次演出以来已有很长时间了。 
 - It's been such a long time since I played.
 
双语例句
- It's the best news I've heard in a long time.
这是我很久以来听到的最好消息。 - It was great to begin with but now it's difficult.
一开始非常好,但现在可就难了。 - It's not a question of some abstract concept.
这不是某个抽象概念的问题。 - Well, never mind, John, it's not a matter of life and death
好了,约翰,别太在意了。这又不是什么生死攸关的大事。 - It's not right, leaving her like this
就这样离开她是不对的。 - It's not our business.
这不关我们的事。 - It's not just a financial matter
这不仅仅是资金的问题。 - It's past your bedtime.
你的就寝时间已经过了。 - I should think it's going to rain soon
我想可能马上要下雨了。 - It's time you grew up.
你该懂事了。 
