词汇	open education system
释义	open education system 开放教育系统
随便看	instruction in physical education instruction in school chemistry instruction instance Instruction instead of emitting a instruction interpretation Instruction interpretations instruction interview instruction in the Hebrew language Instruction in use of cane Instruction in use of crutch Instruction in use of prosthesis Instruction in use of walker Instruction IP address of LAN instruction issue instruction issuing instruction key instruction keys Instruction knows no class distinction instruction layout optimization instruction leaflet Instruction leaflets on dangerous cargo instruction length instruction length code instruction length counter instructionless