在相同的条件下,分子速度分布在任何时候都是恒定的.At any given instant the distribution of molecular speeds is always constant under the same conditions.它使火车在通过现有轨道的弯曲处时得以保持恒定的车速。It allows the train to maintain a constant speed through the twist...
You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。I had to postpone ideas of a car...
具备听力学以及助听器专业知识的优先.Have knowledge related audiology and hearing aids is preferred.听力学家要求具有听力学硕士学位.Audiologists require a master's degree in audiology.听力学是耳鼻咽喉科教学中的重要环节和教学难点.The course of audiology is both important a...
Trains are reliable, cheap and best for long-distance journeys.火车安全可靠、费用低廉，最适宜长途旅行。People make marathon journeys to buy glass here.人们千里迢迢赶到这里购买玻璃。The head groom is responsible for seeing that Milton and his stablemates h...