单词	learning resource sharing
释义	learning resource sharing 教学资源共享
随便看	vacuum tube rejuvenator vacuum tube relay vacuum-tube relay vacuum tube relay driver vacuum-tube socket vacuum tube socket connection vacuum-tube socket connection vacuum tubes vacuum-tubes vacuum tube socket vacuum tube solar heating element Vacuum tubes require DC voltage sources as well vacuum tube, support for emissive material vacuum tube switch vacuum-tube switch vacuum tube tester vacuum tube test set vacuum tube transducer vacuum tube transmitter vacuum-tube transmitter vacuum tube triode vacuum-tube triode vacuum tube type automatic voltage controller vacuum tube type electrocardiograph vacuum tube type electrocardio-graph