单词	不易解决
释义	不易解决 not easy to solve
随便看	length of field Length of filter rod Length of fin fan pipe length of fish body length of fit length of flame length of flameproof joint length of flame-proof joint length of flexspline length of floating body length of floating pipeline length of flooding length of flood ing Length of flower buds length of flower stems length of foot length of formation length of forward movement length of fracture length of frame length of frost free period length of frost free season length offset performance length of game length of gastric tube