It is not, however, an extra from a horror film in search of a meal, for soon afterwards it is followed by the emergency services diggingdown to find you.
可是，它不是某种恐怖电影里的怪物在觅食，因为随之而来的是紧急救援正在发掘寻找你。
2
This results in breadth-first traversal (compared to diggingdown into the first link found, which would result in depth-first behavior).
这会产生广度优先遍历（与优先处理首先找到的第一个链接不同，后者是一种深度优先遍历）。
3
Alternatively, removing fuel from the fire—by chopping down trees, digging fire breaks and setting control burns ahead of it— also helps stop a fire in its tracks.