词汇	Commutation Unit
释义	Commutation Unit 通信单元
随便看	I started out of curiosity I started primary school when I was 5 years old I started sawing the branches off I started skin-poping heroin I started some half-dozen snipe I started to dial but then hung up I started to regain my confidence I started to wonder if… I start off as a kitchen helper I start off on thanking you for your support I start preaching I start to write my english diary I start up and stretch my hands to touch you I start work at nine istas Istasse Istasyon istat i-statheled Istatkov I stayed in lest I should catch cold I stayed there for a very short period I stayed two weeks at the seaside I stayed up all night I stayed up all night preparing for the midterm