back-up plan
備選計劃
back-up data
備份數據
back-up system
備份系統
back-up singer
伴唱歌手
back-up file
備份文件
back-up copy
備份副本
back-up power
備用電源
back-up drive
備份驅動器
we have a back-up plan in case the first one fails.
我們有一個備用計劃以防第一個計劃失敗。
always back-up your important files regularly.
請定期備份您重要的文件。
the singer had a back-up dancer to help her perform.
這位歌手有一名伴舞來幫助她表演。
it's good to have a back-up power supply for emergencies.
在緊急情況下，擁有備用電源是好的。
create a back-up of your hard drive before installing new software.
在安裝新軟件之前，請備份您的硬盤驅動器。
the team's back-up goalie was ready to play.
球隊的替補守門員已經準備好出場了。
make sure your back-up data is stored securely.
確保您的備份數據存儲安全。
this is my back-up option if the primary one doesn't work.
如果主要選項不可行，這是我的備選方案。
we need to back-up the database every week.
我們需要每週備份數據庫。
the back-up singer stepped in when the main vocalist was ill.
當主唱生病時，伴唱歌手頂替了。
do you have a back-up copy of the presentation?
您是否有演示文稿的備份副本？
back-up plan
備選計劃
back-up data
備份數據
back-up system
備份系統
back-up singer
伴唱歌手
back-up file
備份文件
back-up copy
備份副本
back-up power
備用電源
back-up drive
備份驅動器
we have a back-up plan in case the first one fails.
我們有一個備用計劃以防第一個計劃失敗。
always back-up your important files regularly.
請定期備份您重要的文件。
the singer had a back-up dancer to help her perform.
這位歌手有一名伴舞來幫助她表演。
it's good to have a back-up power supply for emergencies.
在緊急情況下，擁有備用電源是好的。
create a back-up of your hard drive before installing new software.
在安裝新軟件之前，請備份您的硬盤驅動器。
the team's back-up goalie was ready to play.
球隊的替補守門員已經準備好出場了。
make sure your back-up data is stored securely.
確保您的備份數據存儲安全。
this is my back-up option if the primary one doesn't work.
如果主要選項不可行，這是我的備選方案。
we need to back-up the database every week.
我們需要每週備份數據庫。
the back-up singer stepped in when the main vocalist was ill.
當主唱生病時，伴唱歌手頂替了。
do you have a back-up copy of the presentation?
您是否有演示文稿的備份副本？
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