英 [ˌprepəˈreɪʃ(ə)n] 美 [ˌprepəˈreɪʃ(ə)n]
n. 准备（指动作或过程）；准备工作，筹备工作（preparations）；（食物、医药、化妆品的）制剂，配制品；（为科学实验或医药检验预备的）标本；（乐）准备音
[ 复数 preparations ][1]
柯林斯英汉双解大词典
preparation /ˌprɛpəˈreɪʃən/ CET4 TEM4
1.N-UNCOUNT Preparation is the process of getting something ready for use or for a particular purpose, or making arrangements for something. 准备
2.N-PLURAL Preparations are all the arrangements that are made for a future event. 准备工作
3.N-COUNT A preparation is a mixture that has been prepared for use as food, medicine, or a cosmetic. (用作食品、药品或化妆品的) 配制品[1]
preparation for 为…做准备
preparation method 制备方法
in preparation 在准备中
in preparation for 为……作准备
coal preparation 选煤
preparation plant 选矿厂
sample preparation 样品制备；样品处理；样品加工