词汇	a busy signal
释义	a busy signal 佔线信号,忙音
随便看	spreader wire aerial spreader with angled saw toothed disks spreader with leveling and shredding rotors spreader with leveling rotor and auger type spreader with levelling and shredding rotors spreader with vertical rotors spreadest spreadet spreadeth spreadet spreadet wheel spread eventually spread every rag of sail spread extemporaneously spread f spread F spread-F spread fabric spread factor spread factor, distribution factor spread factor of channel spread factors spread fading channel spread falteringly spread far and wide spread F echoes