查询词典 it happens that

You have to divide the column of air into a set of levels, get out your pencil or computer, and calculate what happens at each level.

你必须将气柱分解为很多不同的层，拿出你的纸和笔，计算在每一层的情况。

Air embolism : This is a rare type of embolism that happens when a bubble of air trapped in the blood and causes a blockage.

空气栓塞：这是一种罕见的栓塞发生时，泡沫的空气被困在血液中，造成淤塞。

An air lock sometimes happens in the water pipes of a house, especially if the water has been shut off to repair a tap, for example, and them turned on again.

气塞有时发生在住房的水管中，特别是关上水管修理水笼头，然后再拧开水管时。

You Yi Yi Netcom ZHU Xiao, said the Ministry of international air travel, according to normal as the situation develops, flight can not operate normally, the airline will make adjustments according to actual situation before this happens, the airline will also have free refund policy.

易网通游易国际机票部朱晓莉表示，按常规随着事态的发展，航班不能正常运行，航空公司也会根据实际情况做出调整，以前出现这种情况，航空公司也会有免费退票的政策。

Oh i wouldn't say airborn is totally different in that case, yes we have downtimes where nothing happens and we also have periods where a lot of stuff is happening at once.

哦我不会说是机载在这种情况下完全不同的，是我们的停机时间在什么也没有发生，我们也有时间有很多的东西是一次发生。

Our airlines still aren't secure, and this is what happens when you're not secure.

而你们不安全的时候就会发生这样的事情。

If you wait, al that happens is that you get older.

如果你等待，发生的只是你变老。

But, this "alarmingly dangerous leap " happens right away in the terminal.

然而这"惊险的一跃"就发生在终端。

To be more precise, however, Algol happens to be a triple star system: the eclipsing binary pair is separated by only 0.062

更精确的说，大陵五实际上是一组三合星：成对的食双星分隔的距离只有0.062

When this happens,there will be a feeling of heightened aliveness as something within you says,"Yes, I do know this istrue."

当这一切发生时，你会有一种一触即发的感觉并说道："是的，我知道这是正确的"。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。