Flotator
浮选机
🗣️ 情景例句
Have you got time this morning
今天上午你有时间
Prove thy friends ere thou have need.
需要朋友之前，先要加以考验。
Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
次于野鸭和鸽子的鸟，如鹧鸪，有相似的巨大推动力，但很快会疲劳。