两个界限间的距离 span
素数间的有界距离 Bounded Gaps Between Primes
事物之间的分界 dividing line
人与边界之间的作用力 interactions with boundaries
时间与空间的界限 temporal and spatial boundaries
时间的边界 Frontier of Time
现象界的时间侧面 temporal aspect
昨日之间的世界 The World Until Yesterday
有界变差的区间函数 [数] interval function of bounded variation
组织与肿瘤之间的界面 brain-tumor interface
这三十年间充满着危险，从自然界的虐食者到油泄漏到捕鱼设备的纠缠物。
The intervening three decades are fraught with peril, from natural predators to oil spills to entanglement in fishing gear.
即使到了17世界的末期，科学家对不同生物间的联系关系依旧一无所知，生物的描述和分类也是杂乱无章。
At the turn of the 17th century there was no sense of how creatures were related to each other; descriptions and classifications were unsystematic.
在自然界，和房产界一样，位置决定一切，而潮间带就是自然界的帕克大街。
In nature, as in realestate, location is everything, and the intertidal zone is Park Avenue.
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