prepare的名词是preparation ，复数是preparations. 意为准备;预备;准备工作;(医药、化妆品等)配制品，制剂. 例句 Behind any successful event lay months ...
prepare的名词形式preparation n.准备;预备;准备工作;(医药、化妆品等)配制品，制剂复数 preparations 例句 Some forethought and preparation is necessary...
