“楼梯”怎么读？

她躺在楼梯底部，痛得呜咽着。She lay at the bottom of the stairs, whimpering in pain.他拎起手提箱,爬上了楼梯.He picked up his suitcase and climbed the stairs.她爬上楼梯，顺着楼上的走廊走去。She climbed the steps and proceeded along the upstairs hallway....

“楼梯”的英语可以翻译为：stairs，staircase，stairway，stair ...