水分子在冰晶里的排列留下许多小空隙，而在液体水里，从统计学意义上讲，水分子们紧密地一个挨着一个，没有空隙。

The arrangement of water molecules in an ice crystal leaves small interstices, whereas the water molecules in liquid water are statistically cheek-to-jowl.

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假设我们的解里没有包含由该算法去掉的一个大的空隙，却包含了相对小的空隙。

Assume that the answer doesn't contain the large gap which the algorithm removed, but does contain a gap which is smaller.

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股骨头很深地被包覆于构造良好的关节窝里，且股骨头与关节窝之间的接缝空隙非常小。

There is a deep seated ball (femoral head) which fits tightly into a well-formed socket (acetabulum) with minimal joint space.

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She measured the distance between the bones in the finger, because when we get older, the space becomes smaller-- they become tighter.

她测量指骨间的距离，人越老，骨骼间空隙变得越小-,指骨变得更紧。

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