Every time a great crowd come, she steps back and locks herself up in a room.

每当一大群人来的时候，她就会退后一步，把自己锁在一个房间里。

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She stepped back a few paces.; She backed up several steps.

她往后退了几步。

《新英汉大辞典》

She opens the screen door. “I'm Adie's mom, Bev.” Adie steps in front of her and pushes Samuel back out the door.

她将屏门打开。“我是爱狄的妈妈，贝芙。”这时，爱狄往前跨了一步站在她面前，将塞缪儿推出门外

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Erica Solar, who works as a receptionist on East 37th Street, was headed to a Dunkin' Donuts when she heard the shots, took a few steps and realized she had been shot in the back of her left knee, according to her brother, Louis Lleras.

WSJ: Nine Injured Bystanders Are Expected to Survive

Trailing behind her, Brad was surprised by the lithe swiftness with which she climbed the steps of the flagstone porch and let herself back in, holding the storm door for him as she opened the other.

NEWYORKER: Outage

"Yesterday it came up through the floor, through the bricks and over the front and back steps, " she said.

BBC: Flooding affects Reading houses despite new defences