foal/fəul; fol/ n1 young of a horse or of a related animal, eg a donkey 驹子（如驴驹）.2 (idm 习语) in/with foal (of a female horse, etc) pregnant （指母马等）怀驹. foal, v [I]give birth to a foal 产驹.
牛津英汉双解词典