foaling heat产后发情
foaling interval怀驹间隔期
foaling insurance产驹保险
foaling season产驹季节
foaling stall产驹栏
foaling rate产驹率
foaling pen分娩栏
foaling box产驹厩
foaling order产序
N-COUNT（可数名词） A foal is a very young horse. 马驹
V-I（不及物动词） When a female horse foals, it gives birth. 产驹
The mare is due to foal today.
母马今天要下崽了。