单词	Beckelman
释义	BeckelmanCOCA³¹⁵¹¹¹⁺⁴贝克尔曼¹⁰⁰
随便看	communication experiment communication experimental system communication experiments communication extender communication external communication facilities communication facility communication factors communication failure communication failure detecting and switching communication fairness communicationfamily communication fault communication fault-tolerant system communication feature communication fee communication feed communication fiber optical communication field communication file communication file definition communication flaw communication flow communication flows communication flow security