Stairstep
楼梯或阶梯的一级，<俗>年龄与身高相差有规律的兄弟姐妹中的任何一个; 梯级
🗣️ 情景例句
Would you like to call home?
你给家里挂个电话怎么样？
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
If she were alive today she would not be able to air her views on her favourite topic of conversation: domestic servants.
如果她活到今天，她将不能就她热衷的话题“佣人”发表意见了。