extra-channel

基本解释

Even if extra channel space is available --- it is usually not enough for the very wide bandwidths of HDTV.
即使有額外的信道空間---一般也不夠大帶寬的HDTV使用。
The extra channels offered on the optical fibre network are mostly additional pay-per-view movie channels and an international home shopping channel.
用光纖網絡收看節目的觀衆則可觀看更多自選節目和一個購物台。
My extra earnings came in very handy.
我的額外收入可備我不時之需。
This extra strong glue should do the job nicely.
這種超強度膠應該琯用。
She decided to rent out a room to get extra income.
她爲獲得額外收入決定租出一個房間。