Hints: 本期学习的字源：mill-=thousand千，或作milli-=thousandth千分之一 单词不需要大写，单词与例句或不同词条之间换行即可。 注解中详细介绍了单词的拆分与释义，是学习字源分析的重中之重！一定记得听写后来看注解！
million millennium The beginning of a new millennium is an occasion worthy of celebration. millimeter A newly hatched silkworm is only a few millimeters long.
The beginning of a new millennium is an occasion worthy of celebration. 新纪元的开始是值得纪念的时刻。 A newly hatched silkworm is only a few millimeters long. 新孵出来的的蚕宝宝只有几毫米长。