1
- a thing on which a bird alights or roosts, typically a branch or a horizontal rod or bar in a birdcage（鸟的）栖息处, 栖木, 栖枝。
1.1
- a place where someone or something rests or sits, especially one that is high or precarious（尤指高处或不稳的）歇脚处, 小憩处：
Marian looked down from her perch in a beech tree above the road.
玛丽安从道路上方山毛榉树上的蹲脚处向下看。
no obj., with adverbial of place
1- (of a bird) alight or rest on something（鸟）飞落, 栖息：
a herring gull perched on the rails for most of the crossing.
一只银鸥在横渡的大部分时间都待在护栏上。
1.1
- (of a person) sit somewhere, especially on something high or narrow（尤指人在高处或很窄的地方）稍坐, 暂歇：
Eve perched on the side of the armchair.
伊夫坐在扶手椅的边上。
1.2
be perched
(of a building) be situated above or on the edge of something（建筑物）坐落于…的上方（或边缘）：the fortress is perched on a crag in the mountains.
那堡垒坐落在群山中的一个悬崖上。
1.3
- with obj.
perch someone/thing on
set or balance someone or something on (something)把…平稳置于; 使坐落于： Peter perched a pair of gold-rimmed spectacles on his nose.
彼得的鼻梁上架着一副金丝边眼镜。
短语
knock someone off their perch
- informal cause someone to lose a position of superiority or pre-eminence〈非正式〉使（某人）失去优势地位; 杀（某人）的威风：
will this knock London off its perch as Europe's leading financial centre?
这会使伦敦失去其欧洲主要金融中心的地位吗？
词源
late Middle English: the noun from PERCH3; the verb from Old French percher.
(复同单, 或perches)
1- an edible freshwater fish with a high spiny dorsal fin, dark vertical bars on the body, and orange lower fins河鲈, 金鲈。
1.1
- Genus Perca, family Percidae (the perch family): three species, in particular P. fluviatilis of Europe (also called BASS2), and the almost identical yellow perch (P. flavescens) of North America. The perch family also includes the pikeperches, ruffe, and darters.鲈属, 鲈科（鲈鱼科）：3种, 尤指欧洲的河鲈（亦称BASS2）和北美几乎一样的金鲈（拉丁名P. flavescens）。鲈科还包括鲈、梅花鲈和镖鲈。
1.2
- used in names of other freshwater and marine fishes resembling or related to this, e.g. climbing perch, pikeperch, sea perch, surfperch［用于其他相似或相关的淡水或海水鱼的名称中, 如climbing perch, pikeperch, sea perch, surfperch］。
词源
late Middle English: from Old French perche, via Latin from Greek perkē.
historical, chiefly Brit. <史, 主英>
1
2
- （亦作square perch）a measure of area, especially for land, equal to 160th of an acre or 30¼ square yards (approximately 25.29 sq. metres)
词源
Middle English （in the general sense 'pole, stick'）： from Old French perche, from Latin pertica 'measuring rod, pole'.