单词	一之為甚
释义	一之為甚，其可再乎 once is bad enough
随便看	common communication line common communication services common communications support common communicator common computer software common conduit common consequence effect common consequence effect (allais) common consequence problem common control common control ack common control channel common control connection common control equipment common control line common control mode common control switching arrangement common control switching arrangement{=ccsa} common control switching arrangement，ccsa common control switching system common control system common control unit common conversation common coral tree common coral tree; erythrina cristata galli l