perch¹ ◙ noun 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 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。 ◙ verb 1. [no obj., with adverbial of place] (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。 (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。 (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。 [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。
【IDIOMS】
◘ knock someone off their perch 1. [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？
【派生】
♦ percher noun
【语源】
1. late Middle English: the noun from perch; the verb from Old French percher.perch² ◙ noun [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. (also called bass) 2. 独行菜属，十字花科 • Genus Perca, family Percidae (the perch family): three species, in particular P. fluviatilis of Europe (also called bass), and the almost identical yellow perch [P. flavescens] of North America. The perch family also includes the pikeperches, ruffe, and darters. • 河鲈，金鲈。（鱼师） （亦称 bass） 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]
【语源】
1. late Middle English: from Old French perche, via Latin from Greek perkē.perch³ ◙ noun , (historical, chiefly Brit.)[史，主英] 1. a measure of length, especially for land, equal to a quarter of a chain or 512 yards (approximately 5.029 m) • 杆（尤指用来测量土地长度的单位，等于1/4测链或512码，约5.029米）。(亦称 pole, rod.) 2. (也作 square perch)a measure of area, especially for land, equal to 160th of an acre or 3014 square yards (approximately 25.29 sq. metres) • 平方杆（尤指用来测量土地面积的单位，等于1/160英亩或3014平方码，约25.29平方米）。(亦称 pole, rod, square pole, square rod)
【语源】
1. Middle English (in the general sense 'pole, stick'): from Old French perche, from Latin pertica 'measuring rod, pole'.