词汇	肛圈
释义	肛圈 ɡānɡquān〔名〕解剖anal loop
随便看	reciprocation piston cooling pipe reciprocation piston pump reciprocation plant reciprocation pump reciprocation pump in series Reciprocation pump with unidirectional pistons reciprocation refrigeration compressor reciprocation rod reciprocations reciprocation scavenge pump reciprocation single piston pump reciprocation steam engine reciprocation stoker-fired reciprocation to environment reciprocation tube reciprocation type steering gear reciprocation type supercharger reciprocity and mutual benefit reciprocity arrangement reciprocity based on equality reciprocity between lake and land reciprocity calibrated transducer reciprocity calibration reciprocity calibration apparatus reciprocity clause