Prelims
abbr. preliminaries 预备的, 初步的; preliminary pages 绪言页（正文前的材料, 如序言, 目录, 用法, 说明）
🗣️ 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫妇家的狗。
What would you like to eat?
你想吃什么呢？
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。