fecund

adj. 多产的,丰饶的,肥沃的

feasible, feasibly, feast, feat, feather, feather bed, feather-bed, feather-brained, featherweight, feathery, feature, featureless, Feb, febrile, February, fecal, feces, feckless, fecklessly, fecklessness, fecundity, Fed, fed up, federal, federate, federation, fee, feeble, feeble-minded, feebleness, feebly, feed, feed in, feed on, feed up, feed with, feedback, feedbag, feeder, feeding-bottle,