🧩 词语组成解析
preliminary
[prɪ'lɪmɪnɛri]
adj. 初步的，初级的;预备的;开端的;序言的;
n. 准备工作;预赛;初步措施;（对学生等的）预考;
pre预先+limin门槛，限制+ary形容词后缀→入门以前→初步的
exam
[ɪg'zæm]
n. <口>考试;测验;
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
Tom and I are going to have a holiday.
我和汤姆准备去度假。