foal
noun [ C ] uk/fəʊl/ us/foʊl/
马驹
a young horse
Idiom
in foalidiom （母马）怀马驹的
(of a female horse) pregnant
Two of the mares are in foal. 母马中有两匹正怀马驹。
foal
verb [ I ] uk/fəʊl/ us/foʊl/
（母马）产驹
If a mare (= a female horse) foals, she gives birth to a baby horse.