Holes result from either injury or prior ear problems, as ear tubes.
外伤或耳部先前的疾病(比如耳道)结果导致耳膜穿孔.
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The holes themselves have a restricting or stabilizing effect because flow may become sonic.
因为这时流动可成为音速流动,所以这些小孔本身有一种节制作用或稳定化作用.
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It can be used to renovate leaking pipes, cracks , fractures and holes.
它可以用来修复漏水的管子,瑕疵, 裂缝和漏洞.
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Holes can be worn remarkably quickly by a wheel going round at 60mph.
以每小时60英里的速度前进的车轮很快就会磨出洞来。
《柯林斯高阶英汉双解学习词典》
Electroplating process in holes is a new technique for precise diamond reamer manufacturing.
摘要内镀工艺是一种新的精密金刚石铰刀的制造方法.
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Black holes are giant, cosmic vacuum cleaners that swallow up everything around them.
1黑洞是巨大的宇宙的真空的清理器,它吞没周围的所有的东西.
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The mass of one of these suppressive black holes has recently been measured using radio astronomy.
对于这些有着巨大质量的黑洞,最近可利用射电天文学来测量它们的质量.
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This correlation's the most important thing we've learned about supermassive black holes so far.
这种相关性是到目前为止在我们对超大质量黑洞研究最重要的发现.
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Supermassive black holes spin at speeds approaching the speed of light, new research suggests.
最新研究表明:超大质量黑洞的旋转速度接近光速.
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Ventilating safety helmet with holes, high capability of ventilation and sunstroke prevention.
透孔通风式安全帽, 适用于夏季露天作业工人佩带,通风防署性能好.
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Hippos are unable to submerge in the few remaining water holes...
在仅剩的几个水坑里，河马根本无法没入水中。
《柯林斯高阶英汉双解学习词典》
