... 轮槽深度 grooved depth 螺槽深度 channel depth; depth of screw channel; flight depth 螺槽深度比 channel depth ratio ...
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As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea does seem peculiar.
在20年的绝大部分时间里，我一直在撰写和谈论太空飞行，突然将兴趣转向海洋深处，确实显得很奇怪。
As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea doer seem peculiar.
在20年的绝大部分时间里，我一直在撰写和谈论太空飞行，突然对深海探险者的兴趣发生了转变，这似乎有些奇怪。
The mind wakes up, and out of the depth of silence there is the enchantment of meditation, which no imagination or flight of fancy can ever bring about.
心灵醒来，从深深的寂静中就产生了迷人的冥想，而这是想象或者异想天开永远无法实现的。
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