Preluded
v. 为…作序, 开头（prelude的过去式与过去分词形式）
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
I usually get up at 8 o'clock.
我通常8点起床。
London is on the river Thames.
伦敦位于泰吾士河边。