Microfloatation
微量浮选
🗣️ 情景例句
Hope to be a bigger help on the new community-center project.
希望能在新社区中心这件事上提供更大的帮助。
I tried to telephone you but I couldn't get through.
我试着打电话给你，但都没有打通。
We would've called a taxi if Liz hadn't offered us a ride home.
假如李兹不送我们回家，我们就打的了。