They mined gold, felled timber, dug canals or lay rails, most often in harsh areas to which free labor could never be enticed.

他们采金，伐木，挖掘运河，或者铺铁路，多数都是在对自由劳工没有任何吸引力的荒芜地区。

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He felled, peeled, and hewed his own timber.

他自己砍树、剥皮并劈成木材。

《柯林斯英汉双解大词典》

Forested areas have been expanding every year, with the increase in standing timber greater than that of felled lumber.

森林面积每年都在增加，林木生长量大于消耗量。

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As the light fades, lorries without number plates arrive at the timber yards loaded with what locals say is illegally felled tropical timber.

BBC: How illegal logging in Brazil's Amazon turns 'legal'

With most of its forestry already felled, Indonesia bans most exports of timber.

ECONOMIST: China protects its trees, devours others