switch的词源为swit
例句
1、
For instance， there's a high energy cost in switching from a regular metabolism to an almost-no-water metabolism.
例如，从常规的新陈代谢转换为几乎无水的新陈代谢会消耗大量的能量。
2、
The computer system was switched off in error.
计算机系统被不慎关闭。
3、
People get really switched on by this music.
这首乐曲确实令人激情勃发。
