a grain of sand

基本解释

“Sometimes more than a thousand, ” he wrote, “in anamount of material the size of a grain of sand.”
他写道，“有时一粒沙子大小的样本中就有超过一千的微生物。”
By the time a grain of sand washes up on a beach in Florida, it has been battered by waves for a long time.
当一粒沙子被冲刷到福罗里达州的沙滩上的时候，她已经被海浪冲刷了很长时间。
On my last holiday in the Bahamas, as I walked along the beach feeling the gentle waves wash over my feet, I felt part of the universe, even if only a minuscule one, like a grain of sand on the beach.
在巴哈马最后一次度假的时候，当我沿着海滩散步的时候，温柔的海水拂过我的脚时，我感觉到我与宇宙融为了一体。尽管只是如海滩上的一粒沙子那样渺小的一部分。

There is something that one might be able to hold on to: the knob of something, the little flame of something that ; The grain of sand. -The grain of sand; but there is really not a decent metaphor for it, I think.
一个你可以依靠的支点：,一个不同寻常的想法，一个思想的小火花,就像一粒沙中看世界，-一粒沙中看世界;,不过我认为任何比喻都不够贴切。
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These can now be made as small as a grain of sand, yet judiciously placed in say a bedroom they can provide a video record of all that transpires.
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Such nanotechnology involves engineering carbon-based polymer molecules, one-millionth the size of a grain of sand, that attach to fibers to wick away moisture and resist stains, water and static.
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If thousands of people owned the team, any individual divorces would have been a mere grain of sand on the beach line of corporate operations.
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