分词翻译
事的英语翻译：
accident; affair; be engaged in; business; job; matter; responsibility; serve
thing; trouble; work故的英语翻译：
reason; cause; hence; therefore; die; former; old; friend; happening
on purpose电源的英语翻译：
electrical source; power source; power supply
【计】 power source; power supply; PS; supply power
【化】 current source; electric source; power source; power supply
supply source
