词汇	be happy about
释义	be happy about 对…感到满意
随便看	Signalling signall ing signal l ing signalling A-C signalling adapter signalling adaptor signal l ing adaptor signalling alarm signalling alarm equipment signal l ing alarm equipment signalling alphabet signal l ing alphabet signalling analyzer signalling and switching processor signal l ing and switching processor signalling apparatus signalling appliance signalling arrangement signalling arrangement, audible signalling arrangements signalling arrangements, tactile signalling arrangement, visible signalling attention signalling bomb signalling buoy