单词	同効力
释义	同CO-OPERATE
随便看	a practical joke a practice apra harbor apra heights aprakinetic inversion apr {=american public radio} aprasyndesis apraxia apraxia algera apraxia; object blindness apraxias apraxic a.p.r.c. a preacher's license apread factor table a precautionary measure a precious article a precious deal a precious fellow a precious gem a precious pagoda a precious star a precious sword, a sword set with gems a precipitous bank a precipitous ledge