- [countable, uncountable]
a large area of land that is thickly covered with trees 森林；林区 
a tropical/pine forest 热带/松林 One careless match can start a forest fire. 漫不经心地扔一根火柴就有可能引发一场森林火灾。 Thousands of hectares of forest are destroyed each year. 每年都有几千公顷的森林遭到破坏。 the forest floor/canopy 森林地面/树冠
Extra ExamplesTopics Geographya2Forest is being cleared to make way for new farming land. 森林正被开垦成新的耕地。 He warned her never to enter the forest at night. 他警告她千万不要在夜间到森林里去。 Much of Europe was once covered in forest. 欧洲的大部份地区曾经遍布着森林。 They got lost in the forest. 他们在森林里迷了路。 Thick forest stretched as far as the eye could see. 茂密的森林一眼望不到边。 We slashed our way through the dense forest. 我们在密林中砍出一条路来。 a large stretch of virgin forest 一大片原始林 The species is found in both coniferous and deciduous forests. 针叶林和落叶林里均可见此物种。
Oxford Collocations Dictionaryadjective- dense
- thick
- impenetrable
- …
- stretch
- tract
- plant
- clear
- cut down
- …
- stretch
- surround
- tree
- floor
- canopy
- …
- in a/the forest
- through a/the forest
- the edge of the forest
- the heart of the forest
- the middle of the forest
- …
- [countable] forest (of something)
a mass of tall narrow objects that are close together （森林似的）一丛，一片 a forest of cranes on the skyline 地平线上的起重机森林
Word OriginMiddle English (in the sense ‘wooded area kept for hunting’, also denoting any uncultivated land): via Old French from late Latin forestis (silva) , literally ‘(wood) outside’, from Latin foris ‘outside’, from fores ‘door’.
Idioms
not see the forest for the trees (North American English)
(British English not see the wood for the trees)
to not see or understand the main point about something, because you are paying too much attention to small details 见树不见林