名詞 hopper:

1. funnel-shaped receptacle; contents pass by gravity into a receptacle below
2. someone who hops
3. a machine used for picking hops
   同義詞：hop-picker
4. terrestrial plant-eating insect with hind legs adapted for leaping
   同義詞：grasshopper
5. (baseball) a hit that travels along the ground
   同義詞：grounder, ground ball, groundball

1. A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system.
   蓄水塔一個(gè)處于高處的用以維持某系統(tǒng)的穩(wěn)壓或供給狀況的水箱或漏斗，尤指將水供給中央供暖系統(tǒng)的小水箱

hop.per

n.（名詞）
One that hops.
跳躍者

A funnel-shaped container in which materials, such as grain or fuel, are stored in readiness for dispensation.
儲料器：一個(gè)漏斗狀容器，盛放谷物或汽油等物質(zhì)以準(zhǔn)備分發(fā)
Informal A place in which something is held in readiness before use or consideration:
【非正式用語】 備用箱：放置即將被使用或考慮的東西的地方：
例句：
.Several hundred protectionist bills are now piling up in the congressional hoppers.(Christian Science Moniter)
.幾百份保護(hù)主義者的提案正堆放在國會的議案箱內(nèi).(基督教科學(xué)箴言報(bào))

A freight car with a door in the floor through which materials are unloaded.
底卸式車：一種貨車，底下裝有可卸貨的門