稀少

Those vibrations result in the compression and rarefaction of the surrounding air.

这些振动会导致周遭空气的压缩及稀少。

The rarefaction in the number of micro vascular of the adult SHR may result from hypertension and that in the renal cortex of the young SHR is a sign of the early stage hypertension and it may be one of the reasons of hypertension.

成年SHR存在微血管稀少的现象是高血压的结果；幼年SHR肾皮质微血管减少可能是高血压病的一个早期征象，同时推测微血管减少也可能是高血压病的原因之一。

The star in question, however, when some billions of years had passed since its birth, and its companions began to rarefy, was not satisfied with its destiny and became restless?

然而，我们提到的这个星星自从它诞生以来已经经历了数十亿年代的沧桑巨变，它的一些伙伴开始稀少，不满足于它们的宿命，变得烦躁不安了？？

The star in question, however, when some billions of years had passed since its birth, and its companions began to rarefy, was not satisfied with its destiny and became restless—to such a point that its restlessness became visible even to those of us who are "very" distant and circumscribed by a "very" brief life.

然而，我们提到的这个星星自从它诞生以来已经经历了数十亿年代的沧桑巨变，它的一些伙伴开始稀少，不满足于它们的宿命，变得烦躁不安了——它的烦躁不安对我们这些距离它"非常"遥远的并且受到"非常"短暂的生命制约的人来讲，就不言而喻了。

The beautiful concept always unites with rareness .

美的概念总是同稀少联在一起。

Tourism is one way to help the Indian tiger, which is much rarer than people thought.

旅游业的发展也改善了印度虎的生存，这种虎远比我们想像的要稀少。

Today I will tell you about some of the rarest elements in existence.

今天我会告诉你一些存在但极为稀少的元素。

Because of expensive and scarce wood, red sandalwood and difficult to see onámarket.

因材贵和稀少，紫檀和酸枝市场上很难见。

I may be scarce, but I am preciousfor I serve the needs of human life.

我可能比较稀少，但是我非常宝贵，因为我满足了人们生活的需要。

I may be scarce but I am precious for I serve the needs of human life.

我可能比较稀少，但是我非常宝贵，因为我满意了人们生活的需要。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。