Osep
abbr. optical signal entry panel 光信号输入盘
🗣️ 情景例句
I think we should take care of the environment, so that we have something to leave for our children.
我觉得我们应该保护好自然，以便将来能给我们的子孙后代留下一些东西。
He who does not advance falls backward.
不进则退。
We welcome the seasons by the riverside,
我们在河边迎接一年四季。