I saw bird watchers who spotted a bird, immediately looked it up in field guides, and said, a " ruby-crowned kinglet" and checked it off.

我见到过鸟类观察家发现了一只鸟，就会立刻在指导手册中查找这只鸟，然后说了句 “红玉冠戴菊鸟” 就开始进行一一核对。

According to the 'Cold Weather Survival' chapter of the US army field guide, how much heat is lost in the cold through an uncovered head?

根据美军战地指南的“寒冷天气求生”这一章，不加任何防护措施的头会散失多少热量？

In fact the army field guide says, b) 40 to 45%, but as we've seen in this case, cold facts are hard to come by.

事实上军队的战地指南说的是 B. 40% 到 45%，但是正如我们在这里看到的那样，很难得出一个确切的事实。

It will be a field guide that talks about the characteristics and traits of those fruit, their origin and their story.

这将是一本实地指南，讨论这些水果的特征和特征，它们的起源和故事。

By crafting a Salish food curriculum and field guide for schools, Rose Bear Don't Walk could even help younger generations stay connected to the plants their ancestors ate.

通过为学校制作萨利希食物课程和实地指南， Rose Bear Don't Walk 甚至可以帮助年轻一代与他们祖先吃的植物保持联系。