/pɜ:tʃ; pɝtʃ/ n
1 (a) place where a bird rests, eg a branch 鸟类的栖息处（如树枝）.
(b) bar or rod for this purpose, eg in a bird-cage or hen-roost （作此用途的）棍, 杆（如鸟笼或鸡窝中的）.
2 (infml 口) high seat or position 高座; 高位
*He watched the game from his perch on top of the wall. 他在墙头居高临下看比赛.
3 (also pole, rod) measure of length equal to
5 yds or 5.03 metres, used esp for land 杆（长度单位, 等于5码或5.03米, 尤用以丈量土地）. =>App
5 见附录5.
4 (idm 习语) knock sb off his pedestal/perch => knock.

v
1 [I, Ipr] ~ (on sth) (of a bird) come to rest or stay (on a branch, etc) （指鸟）栖息, 停留（枝上等）
*The birds perched on the television aerial. 鸟停在电视天线上.
2 [I, Ipr] ~ (on sth) (of a person) sit, esp on sth high or narrow （指人）坐着（尤指坐在高处或窄物上）
*perch on high stools at the bar 坐在酒吧的高凳上
* perch dangerously on a narrow ledge 坐在狭窄的边缘上, 十分危险
* perch on the edge of one's seat 坐在座位的边上.
3 [Tn, Tn.pr] place (sth), esp in a high or dangerous position 将（某物）置于尤指高处或危险处
*a hut perched at the edge of the cliff 悬崖边上的小舍
* perch a beret on the side of one's head 歪戴贝雷帽
* a castle perched above the river 临河而建的城堡.

/pɜ:tʃ; pɝtʃ/
n (pl unchanged 复数不变) any of several types of freshwater fish with spiny fins, eaten as food 鲈.