Echelonment
阶梯状; 梯次配置; 梯状配置
🗣️ 情景例句
I think you are getting off the subject. Could we get back to the main point, please?
我觉得你跑题了。 我们能不能回到主题上来？
Hope for the best, but prepare for the worst.
作最好的希望，作最坏的打算。
What are you doing, Mum?
妈妈，你在干什么？