🧩 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
What's that?
什么样的工作？
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。