Stepstone
n. 楼梯石级
🗣️ 情景例句
She's always changing jobs.
她老是换工作。
Could you take a picture for me?
你能帮我拍照吗？
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。