1.bacteria n.细菌
Recycling is so important that even bacteria do it.
循环是如此重要以至于连细菌都需要。
2.transistor n.晶体管；晶体管收音机
The transistor radio was followed by transistor televisions and videotape recorders.
在晶体管电视机和磁带录音机问世之后，晶体管收音机也诞生了。
3.component n.成分；零件
Good sleep is an essential component of good health.
好的睡眠也是健康的一个必不可少的组成部分。
4.mimic v.模仿，学样
He could mimic anybody.
他可以模仿任何人。
5.journal n.日报，日志，日记
Sara confided to her journal.
萨拉在日记中倾诉心事。
