He blew on the nut as if that would make any difference.

吹了吹，似乎这样做会有什么作用。

First, the animal brings the hammerstone down two-handed for a glancing blow on the nut's far side.

首先，动物两只手把铁锤石砸下来，侧击坚果的反面。

In a military operation, strategy decisions are important.But much more time is spent on the nuts and bolts -- generally called logistics -- of how to transport and supply an army.

在军事行动中，战略决策是很重要的。但更多的时间花在基本细节上，总体上说来就是后勤，关于如何运输和供给军队。