hopper

详细解释:n. 跳跃的东西, 单足跳者, 跳虫
【化】 漏斗; 贮斗; 料斗; 集尘箱; 集尘斗

英语解释：

名词 hopper:

funnel-shaped receptacle; contents pass by gravity into a receptacle belowsomeone who hopsa machine used for picking hops同义词：hop-picker