a perch
perch 作名词时通常与不定冠词连用，表示一个特定的栖息处。
The parrot sat on a wooden perch in its cage.
鹦鹉站在笼子里的木栖木上。
鲈鱼；河鲈；高位；高处；优势地位；杆（长度单位）；平方杆（面积单位）；石方单位
A branch, rod, or ledge on which a bird sits or roosts.
河鲈属(Perca)三种有棘鳍的淡水鱼之一。
Any of the three species of spiny-finned freshwater fish in the genus Perca.
A rod, staff, tree branch, ledge, etc., used as a roost by a bird.
供鸟栖息的支撑物,如树枝或杆
support consisting of a branch or rod that serves as a resting place (especially for a bird)
Any of the about 200 related species of fish in the taxonomic family Percidae, especially:
A pole connecting the fore gear and hind gear of a spring carriage; a reach.
16.5英尺的线性测量单位
a linear measure of 16.5 feet
Several similar species in the order Perciformes, such as the grouper.
A position that is secure and advantageous, especially one which is prominent or elevated.
一块平方杆土地
a square rod of land
A position that is overly elevated or haughty.
A cubic measure of stonework equal to 16.6 × 1.5 × 1 feet.
A frame used to examine cloth.
A bar used to support a candle, especially in a church.
A platform for lights to be directed at the stage.
The parrot sat on its wooden perch and watched us.
鹦鹉坐在它的木质栖木上看着我们。
用法提示：作名词，意为鸟儿休息的栖木。
We added several perches to the birdcage to give the finches more space.
我们在鸟笼里加了几根栖木，给雀类更多活动空间。
用法提示：作名词复数形式，指多根栖木。
A pigeon found a high perch on the ledge of the building.
一只鸽子在建筑物的窗台上找到了一个高处的栖息处。
用法提示：作名词，指一个供鸟栖息的高处位置。
perch 作名词时通常与不定冠词连用，表示一个特定的栖息处。
The parrot sat on a wooden perch in its cage.
鹦鹉站在笼子里的木栖木上。
on a perch 是常见的介词短语，表示在栖木上。
The bird rested on a perch near the window.
鸟在窗边的栖木上休息。
from a perch 表示从高处或有利位置观察。
The eagle watched its prey from a high perch.
老鹰从一个高高的栖息处观察猎物。
roost 通常指鸟群夜间栖息的地方，而 perch 更强调临时停栖的枝干或杆
branch 是自然树枝，perch 可以是人工杆，但均可替代
pole 常指人造杆，perch 也可指自然枝，使用场景略有不同
grammar · medium
易错句子The bird is sitting on perch.
正确表达The bird is sitting on a perch.
中文中‘栖木’前无需冠词，但英语中可数名词单数前需要不定冠词a/an或定冠词the。此处perch是可数名词单数，应加不定冠词a。
grammar · medium
易错句子There are many perch in the aviary.
正确表达There are many perches in the aviary.
perch表示‘栖木’时是可数名词，复数形式为perches，而非常见的不规则变化或同形。中文‘很多栖木’没有复数标记，因此学习者容易忽略加-es。
与表示鸟栖息的高处或杆状支撑物（如树枝、栖木）的名词‘perch’相对
perch特指鸟类休息的栖木，而branch泛指树枝，鸟也可能停在branches上，但perch更强调是特意设置的栖息点
perch指河鲈，bass指黑鲈，两者是不同的鱼种，中英文名称可能混淆
perch指高处的栖位或休息处，而peak指山的最高点或顶峰，perch有临时停留之意，peak强调最高
鸟的栖木
The canary returned to its bird's perch.
金丝雀回到了它的鸟栖木上。
高位；高的栖息处
The eagle watched from a high perch.
鹰从一个高的栖息处观察。
最喜欢的栖息处
This branch is the owl's favorite perch.
这根树枝是猫头鹰最喜欢的栖息处。
不稳固的栖息处
The bird balanced on a precarious perch.
鸟儿摇摇晃晃地站在一个不稳固的栖息处上。
笼子里的栖木
The pet store sells wooden perches in a cage.
宠物店出售笼子里用的木制栖木。
perch + -er
perch + -ing
yellow + perch
European + perch
pike + perch
white + perch
使某人失去高位；挫败某人的傲气
The new champion knocked the veteran off his perch.
新冠军击败了老将，使他失去了宝座。
放下架子；不再高傲
He needs to come down off his perch and listen to others.
他需要放下架子，听听别人的意见。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.