Vortrap
旋流分级器
🗣️ 情景例句
I'm dieting to keep my figure.
我正在节食以保证身材。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
His words are strongly impressed on my memory.
他的话深深地铭记在我的心头。