Trees normally cost four times less on average, but are usually turned into mulch or sent to garbage dumps after the holidays in most North American cities.

圣诞树的价格一般为树木均价的四分之一，但在大多北美城市，人们过完圣诞后通常会将圣诞树做成腐叶土，或干脆丢弃。

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Usually I go in the early evening, especially in the summer and fall, when the air in Washington is warm and still and the leaves on the trees barely rustle.

通常，我在傍晚进去，特别是在夏天和秋天，那时华府的空气温暖，而且寂静，树上的树叶几乎不会发出瑟瑟声。

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A tool with a bladed usually heavy head mounted crosswise on a handle used for felling trees or chopping wood.

斧一种带刀片的工具，一般重的一头十字交叉地安置在一个把手上，经常用来伐树或砍木头。

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Birds and certain smaller mammals such as rabbits and raccoons will usually go high to live in trees or on drift piles, but larger mammals have to clear out, according to Ribbeck.

CNN: Wildlife rush for high ground in flood areas

In hot, wet Louisiana, everything from trees to microbes grows quickly so scars on the land are usually quick to heal.

CNN: Wildlife, oil battle nothing new to Louisiana

Snowbirds are usually eager to get away from the cold, ice, snow and darkness, and work on their tans beneath palm trees.

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