She seems to have spent most of her life as a tagalong to a man who, as test pilot and astronaut, was seldom home.看来，她一生的大部分时间都追随在一个作为试飞员和宇航员而难得在家的男人身后。The tagalong attaches to an adult's bicycle.这拖车是挂在成人自行车后面的。His little sister was sometimes a tagalong on his outings with his friends.他和朋友们出游时，他的小妹妹有时会跟着去。