preps/prep/名词暴露前预防（在没有患病，尤指艾滋病之前，服药进行预防，pre-exposure prophylaxis的缩写）/prep/名词（尤指私立学校的）家庭作业Do you have much prep tonight?你今天晚上作业多吗？介词（preposition 的缩写）/prep/动词使自己（或他人）准备好做…She said she was prepping for her new movie.她说她正在为新片作准备。想跟读，去练习
