C 树，乔木 large (usually tall) long-lasting type of plant, having a thick central wooden stem (the trunk) from which wooden branches grow, usually bearing leaves

　tree　的基本意思是“树”，是木本植物的统称，尤指树干高大、主干与分枝有很明显区别的木本植物，即乔木。用于比喻，可指“树形图”“谱系图”等。

　blow down a ～　（风）将树刮倒
　blow off a ～　从树上吹落
　climb a ～　爬树
　cut down a ～　伐树
　fell a ～　砍倒一棵树
　fertilize a ～　给树施肥
　grow a ～　栽树
　hang from the full ～s　挂满枝头
　live in a ～　生活在树上
　love ～s　爱护树木
　nail to a ～　钉在树上
　nurse a ～　培育树木
　plant a ～　植树
　protect ～s　保护树木
　raise ～　种植树木
　shake a ～　晃动树
　transplant a ～　移植树
　bare ～　光秃秃的树
　beautiful ～　美丽的树
　big ～　大树
　bushy ～　灌木似的树
　dangerous ～　危险的树
　dead ～　枯死的树
　fallen ～　倒在地上的树
　green ～　绿树
　huge ～　大树
　monumental ～　纪念树
　most ～s　大部分树木
　old ～　古树
　rare ～　稀有的树
　rotten ～　腐烂的树
　several ～s　几棵树
　shady ～　多荫的树
　small ～　小树
　some ～s　几棵树
　still ～　一动也不动的树木
　strange ～　奇怪的树
　tall ～　高树
　thick ～　茂密的树木
　young ～　小树，树苗
　apple ～　苹果树
　Christmas ～　圣诞树
　fruit ～　果树
　pine ～　松树
　rose ～　玫瑰树
　shade ～　能遮阴的树
　family ～　家谱
　among the ～s　在树丛中
　in a ～　在树上
　shade of a ～　树阴
　the top of the ～　树冠
　trunk of a ～　树干
　on a ～　树上
　under a ～　在树下
　～ on streets　沿街两侧的树

　Palm trees are typical of tropical climates.　棕榈树是热带的象征。
　Few trees grow in a desert.　沙漠里很少有树生长。
　The trees along by the river are all very tall.　沿河的树都很高。
　A group of tall trees stands on top of the hill.　一丛高大的树木耸立在小山顶上。
　These kind of trees are nice if you like them.　要是你喜欢，这几种树就很好。
　We planted trees about the house.　我们在房周围栽上树。
　He stripped the tree of its bark.　他剥光树皮。
　Due to the extreme cold, we were unable to plant the trees.　由于天气非常冷，我们不能种树。
　Oak, ash and thorn are native English trees.　橡树、白蜡树和蒺藜原产于英国。
　On neither side of the street are there any trees.　街道两旁都没有什么树木。
　There is a tree behind the house.　房子后面有一棵树。
　The truck went into a tall tree.　卡车撞到一棵大树上。
　Let's guess at the height of the tree.　让我们猜一猜这树有多高。
　The boy fell from the tree and broke his leg.　那男孩从树上跌下来，摔断了腿。
　A family tree is a diagram with branches, showing how the members of a family are descended and related.　族谱是说明家族成员血缘承袭关系的明细分支图。

 ♣ bark up the wrong tree
　把某事物搞错了，错怪了人　be mistaken about sth
　The police were looking for a tall thin man, but were barking up the wrong tree, the thief was short and fat.　警察正在寻找一个瘦高个子男人，可是他们弄错了目标，这个贼是个矮胖子。
 ♣ grow on trees
　多，易获得等　be plentiful, easily obtained, etc.
　Don't spend so much—money doesn't grow on trees, you know.　别花那么多——钱不是容易赚的。

　tree　还可用作动词，表示“迫使人或动物上树躲避”，常用于被动结构中。例如：
　The dog treed the cat.　狗把猫赶上了树。
　The hiker was treed by a bear.　徒步远足者被熊追赶上树躲避。

　［词源］　古英语treow（树）