与橡木相比,其他木材的膨胀和收缩速度不同,所以用这些木材做的橡木船的修理会出现裂缝或漏水。
Other woods expand and contract at different rates than oak, so repairs to oak ships done with those woods split or leak.
回飞棒星云的膨胀创造了一种宇宙冰箱,使气体维持其异常的寒冷。
The Boomerang Nebula's expansion creates a kind of cosmic refrigerator, allowing the gases to maintain their unusual cool.
当井和一个水池相接时,油通常会从井里上升,因为它与井下的水的密度不同,或者因为停留在它上方的膨胀气体的压力。
When the well reaches a pool, oil usually rises up the well because of its density difference with water beneath it or because of the pressure of expanding gas trapped above it.
Let's imagine maybe instead we just immediately dropped the pressure let the system expand against the lower pressure.
现在假设,我们很快地降低压力,让系统在低的外压力下膨胀。
To get down to it, you have to cut away what is not true, what is inflated, beside the point, excess, ornament.
更直接点,你们要去掉不真实的,除了这点还有膨胀的,过量的和装饰的。
They're both expansions. They'll both have net work done on the surroundings, but not the same amount, right.
是不同的,他们都是膨胀,都对外做功,但数量不同,对吧?
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