n.投掷者；投掷物；脚轮；调味瓶；施法者；铸造者
Suddenly a caster hit him on his head. 突然,一个投掷物打到他头上。
The silver plated caster on the dining table catch her attention. 餐桌上的镀银调味品瓶架引起了她的注意。
My brother has been a caster all his life. 我兄弟当了一辈子铸工。
