New words：

staircase [ˈsterˌkeɪs] n. 楼梯

Sample Sentences：

We must redecorate the staircase.
She was sitting on the bottom step of the staircase.
Old people must be very careful as they climb a staircase.
In case of fire, please follow the direction of arrow and take the nearest staircase.

标签: none

添加新评论