stair
/steə/
n. 梯级, 楼梯, 阶梯
英文释义
n support consisting of a place to rest the foot while ascending or descending a stairway
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stair
/steə/
n. 梯级, 楼梯, 阶梯
英文释义
n support consisting of a place to rest the foot while ascending or descending a stairway
登录 后可记录学习进度。