2. As an adverbial condition. time. reason additional description 若已知电流和电阻,我们就能求出电压来 Given current and resistance, we can find out voltage 由于铜是一种良导体,所以被广泛地用在电气工 程中。 Being a good conductor of electricity, copper is widely used in electrical engineering.2. As an adverbial condition, time , reason, additional description 若已知电流和电阻，我们就能求出电压来。 Given current and resistance, we can find out voltage. 由于铜是一种良导体，所以被广泛地用在电气工 程中。 Being a good conductor of electricity, copper is widely used in electrical engineering