Look whether the postman has been yet.

去邮递员来过没有。

She was in doubt whether she was right.

她对她是否正确拿不准。

It is doubtful whether it is true or not.

这件事的真假是可疑的。

I don't care whether he stays or goes.

我不在乎他是留下来还是离去。

I was in a quandary about whether to go.

我当时正犹豫到底去不去。

Whether or no it is true remains a question.

到底是真是假还是一个问题。

Mike dated in his mind whether to accept the work.

迈克在心中考虑着是否接受这项作。

Clare didn't know whether to envy or pity them.

克莱尔不知道该羡慕还是同情他们。

Whether mercy killing is justifiable is still an open question.

安乐死是否正当仍然是一个有争论的问题。

I cannot say whether it was Saturday or Sunday.

我无法肯定那天是星期六还是星期天。

They asked whether I was prepared to vouch for him.

他们问我是否愿意为他作担保。

I am in a dilemma whether to do maths or English.

我左右为难，不知是做数学还是写英语。

Air whether in the gaseous or liquid state is a fluid.

, 无论是态的或是液态的, 都是一种流体。

Whether does the haemorrhage after haemorrhoid art need to oversew urgent! !

痔疮术后出血是否需要缝合急！！

It is quite indifferent to me whether you go or stay.

对你的去留我毫不关心。

I don't care two pins whether she comes or not.

她来不来, 我不在乎。

It is a tossup whether we shall get there in time.

我们是否能及时赶到那里还很难说。

It is unclear whether the meeting will go ahead as planned.

会议是否会如期举行还不清楚。

I spent days agonising over whether to take the job or not.

我用了好些天苦苦思考是否接受这份作。

Objective To investigate whether alpha-thalassemia can be diagnosed with extraembryonic coelomic cells.

目的探讨胚外体腔穿刺术应用于α地中海贫血产前诊断的可行性。