spreader
noun [ C ] uk/ˈspred.ər/ us/ˈspred.ɚ/
(EQUIPMENT)
播撒机
a vehicle or piece of machinery for spreading something somewhere
Tractors pulling manure spreaders drove through town. 拉着撒肥机的拖拉机驶过小镇。
People walked back and forth across their lawns behind fertilizer spreaders. 草坪上人们在施肥机后面的来回走动。
黄油刀，涂抹刀
an object used for spreading a substance on a surface
For the tiling you will need grout and a flexible spreader. 贴瓷砖时，您将需要勾缝剂和万能刮泥板。
The less expensive items on the wedding list included a cheese knife, and a butter spreader. 婚礼清单上较便宜的物品包括奶酪刀和黄油刀。
撑开器
a tool for spreading two parts or things apart
Surgeons would make a long incision between the ribs and expand the opening with a rib spreader. 外科医生会在肋骨之间做一个长切口，用肋骨撑开器扩大开口。
(PERSON)
（病毒、细菌等的）传播者
someone who infects other people with a virus, bacterium, etc.
Children are notorious germ spreaders. 儿童是出了名的病菌传播者。
Some people recover from the initial illness but remain carriers and spreaders of the disease for the rest of their lives. 有些人在最初得病后康复了，但是以后一直是疾病的载体和传播者。
See also: super-spreader