Help a mother carry her baby stroller up the subway stairs, or hold a door open for her.
帮助一个母亲把婴儿车推上地铁楼梯，或者为她开着门。
The groves on the side make it comfortable to hold and the wide neck will be perfect for when I want to warm up baby food in my warmer.
奶瓶边上的突起让我非常舒服和容易的抓着奶瓶，并且宽的口径让我非常容易的用这个奶瓶在我的宝宝食物加热器里面加热。
Generally more than three months of the baby can hold up erect.
一般三个月以上的孩子才能竖抱起来。
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