🧩 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
Oh, that's a very good school.
哦， 那是个好学校。
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
They would have continued to struggle against economic odds and would have lived in obscurity.
这家人会继续为克服经济上的拮据而奋斗，并默默无闻地活下去。