单词	eching
释义	同eche
随便看	pteryla (pl.pterylae) (pteryla spinalis) pteryla spinalis (pteryla ventralis) pteryla ventralis pterylographic pterylographical pterylographies pterylography pteryloses pterylosis pterynotus alatus pterynotus pellucidus p-tetramethyldiamino-triphenylmethane p-tetramethyldiamino-triphenylmethane--leucomalachite green-- p,p'-benzylidenebis(n,n-dimethylaniline) ptetrosal part of temporal bone ptf ptfe ptfe bellows mechanical seal ptfe fibre ptfe {poly} ptfe{polytetrafluornethylene} ptfe {poly(tetrafluoroethylene)} ptf--fpb ptf--program temporary fix