曾经到过

It came from a Mrs. Vincent, the schoolmistress to whom she had referred on entering Mr. Dawson's family.

信是一位文森特夫人寄来的，她到道森家工作时曾经提到过这位小学女教师。

Of course, nobody has ever confirmed that statement by examining every one of the estimated one septillion snowflakes that drift to Earth each year.

当然，没有人曾经检查过每年飘落到地球上的数以万计的雪花来证实这一说法。

Several cases of migration of metallic hardware into the heart have been reported3-7, but most have involved migration of a Kirschner wire from the upper limb or the shoulder girdle after an orthopaedic procedure.

也曾经有过几例金属硬物游走到心脏的报道[3-7]，但大多数都是骨科手术后克氏针自上肢或肩胛带发生了游走。

I am a southerner, to study in Sichuan, Dad, I have to winter in these spots.

我是南方人，在四川读书，我爸曾经在冬天到过上述景点。

He used the following two gimmick the first, the gimmick that make a poetry (specific technique student goes back examine groom relevant documentation) the 2nd, make keyword way (I once had introduced the address below this gimmick): Student writing builds a station 20 days to break through on 10 thousand Ip particular way did not say more here, I just want to explain, why I do not recommend student to buy join all the time, here has problem of a costing, resemble me that student, he bought join to spend a lot of money, but legend illicit took this key word to maintain a week not to arrive to be dropped by Baidu K only, advertisement cost still buys join not quite.

他利用了以下两个手法第一、作诗手法（具体手法学员回去查看培训相关文档）第二、作关键词法（这个手法下面地址我曾经介绍过）：学员作品二十天建站突破上万ip 具体的做法我这里就不多说了，我只是想说明，为什么我一直不推荐学员买连接，这里有一个成本计算问题，像我那位学员，他买连接花了很多钱，但传奇私服这个关键字只保持了一周不到就被百度K掉了，广告费还不够买连接。

If you have ever struggled with what you should do here's a simple tip that can help.

如果你曾经挣扎过你到底该做什么的话，这里有些能帮到你的简单方法。

Many people are too shy to tell a joke, for they have once told dreary jokes, or they are in the fear of showing their stupidness or afraid to hurt others.

很多人羞于讲笑话，因为他们曾经讲过一个让人感觉沉闷的笑话，或者是他们害怕表现出自己的愚蠢，或是怕讲笑话伤害到别人。

Many people are shy to tell a joke, because they have once told dreary jokes, or they are afraid of showing their stupidness ,or hurting others.

很多人羞于讲笑话，因为他们曾经讲过一个让人感觉沉闷的笑话，或者是他们害怕表现出自己的愚蠢，或是怕讲笑话伤害到别人。

A great many people are shy to speak jokes, since they are afraid of either laying out their own stupidness or hurting others by their jokes, since they had once spoken a tedious one .

很多人羞于讲笑话，因为他们曾经讲过一个让人感觉沉闷的笑话，或者是他们害怕表现出自己的愚蠢，或是怕讲笑话伤害到别人。

Such a migration from free to fee has worked before, when cable operators introduced a subscription model to television.

在有线运营商引入电视订购模式的时候，从免费到收费的转变曾经奏效过。

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。