
好词典

源自拉丁语 'praeparativus',由 'praeparare'(准备)派生而来,后经古法语传入英语。
❶ 指为某事做准备或预备的,常用于描述为后续行动或事件做准备的步骤或措施。
“The team took preparative measures before the storm arrived.”
(团队在风暴来临前采取了预备措施。)
“She spent the morning in preparative work for the afternoon meeting.”
(她花了一上午时间为下午的会议做准备。)
❶ 指为某事做准备的事物或行为,常用于化学或科学实验中指预备步骤或物质。
“The chemist used a preparative to purify the sample.”
(化学家使用了一种预备物来纯化样品。)
“This step is a crucial preparative for the final reaction.”
(这一步是最终反应的关键预备步骤。)
preparative work — 指为某事做的前期准备工作,通常用于强调准备的重要性或复杂性。
“The preparative work for the conference took months.”
(会议的前期准备工作花了几个月时间。)
preparative stage — 指某事正式进行前的预备阶段,常用于描述项目或实验的初始阶段。
“We are still in the preparative stage of the research.”
(我们仍处于研究的预备阶段。)