empty channels信息详情
空通道
channels───n.通道；频道；隧道；水槽；录音声道（channel的复数形式）；v.输送；开槽；形成凹槽（channel的第三人称单数形式）
empty───n.空车；空的东西；vi.成为空的；流空；vt.使失去；使......成为空的；adj.空的；无意义的；无知的；徒劳的
communication channels───沟通渠道；[电] 通讯波道
shu channels───蜀道
irrigation channels───[农工]灌溉渠，灌渠；进水渠道
empty tray───空托盘
param empty───参数为空
distribution channels───销售渠道；分配路线
empty shops───空荡荡的商店
Local stations could feed programs into empty channels that were not in use.───当地电台可以喂养程序并不是空的通道。
Well, long after an organism is died, bacteria sometimes colonize hollows, empty areas in bones, like the channels that once held blood vessels.───恩，在有机体死亡很久之后，细菌可能会聚集在骨骼里的空洞的地方，比如那些曾经是血管存在的地方。
CATV worked well, and soon new uses were found for it. Local stations could feed programs into empty channels that were not in use.───CATV运行很好，并且不久又找到了新的用途，地方电视台可以把节目放在没有使用的空的频道。