单数1. They shouldn't treattheir motherin this disrespectful way.他们不能这样无礼地对待亲生母亲。
语境中只有一位母亲
2. The children cried when they couldn't get into the house;their motherhad barred them out.孩子们进不了屋,又哭又叫,他们的妈妈把他们关在了门外。不只是一个“妈妈”或意思是“妈妈们”的时候,mother是复数,后面加s,用Their mothers例句:
1. Many daughters assume thattheir mothersare invulnerable.很多女儿都认为她们的母亲无比坚强。
2. Children cannot do withouttheir mothers.小孩子不能离开妈妈。