过了一段时间

In order to besiege a city, you need to stop the supplies from reaching the city.

过了一段时间后，城市防御将被削弱，并且更加容易占领。

In the school where Laura Bridgman was taught I was in my own country.

过了一段时间，我才知道我的新朋友也都是盲人。

After a period of time, a woman caring people, it can not help but ask him:"Do you really even five dollar and ten-dollar are too close to it?"

过了一段时间，一个有爱心的老妇人，就忍不住问他：「你真的连五元和十元都分不出来吗？

Some time elapsed before, with all my efforts, I could comprehend my scholars and their nature.

尽管我使出浑身解数，还是过了一段时间才了解我的学生和她们的天性。

After a period of time those ideals and I will no longer have any significance evaporated.

过了一段时间后我的那些理想就会烟消云散不再有什么意义。

After a little while I hesitantly asked,"Are you two related?"

过了一段时间，我迟疑的问道："你们是不是？"

Yes it is pretty difficult initially but over a period of time you will get used to it.

是的，开始十分难，可是过了一段时间，你会习惯的。

B:it was some time before...

之前过了一段时间。

It was some time before I realized the truth.

过了一段时间我才了解到真相。

It was some time before we realized the truth.

过了一段时间我们才知道真相。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。