Unduloid
波状体
🗣️ 情景例句
The office network is running again, we can finally get some work done.
办公室的网络又联上了，我们终于可以做些事情了。
Would you please clarify your question?
请你把你的问题说清楚好吗？
and should never be added to drinking water.
永远不能掺入饮用水。