By this time he felt so faint as scarcely to be able to stand.
这回他觉得太虚弱了,几乎站不起来。
Viewed from Earth, NGC 6744 is about two-thirds the size of a full moon, but it's so faint you can't see it without a backyard telescope.
从地球上看,NGC 6744的大小差不多等于三分之二个满月。 可惜的是,由于太过昏暗,我们惟有通过后院式望远镜才能观测到它。
When the mumber of the layer has exceeds 5, the Van der Waals interaction become so faint that the enwrapping process can not be continued.
当包膜的厚度超过5层后,则范德华力已经很微弱,即已无法继续包膜,包膜过程随即结束。
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