单词
back-up
读音
bæk ʌp
美式
英式
词根
无
释义
n. 援助，帮助；后备人员，备用物品；备份，副本；堵车 adj. 备用的，后备的；备份的
例句
There is no emergency back-up immediately available.
没有立即就能获得的后备。
That sort of attitude really gets my back up!
那种态度实在叫我恼火！
You can back up another two feet or so.
你可以再退两英尺左右。
There is no emergency back-up immediately available.
没有立即就能获得的后备。
That sort of attitude really gets my back up!
那种态度实在叫我恼火！
You can back up another two feet or so.
你可以再退两英尺左右。
强化记忆
无
看视频学发音
nearly as much as what kind of fat we eat.But let's back up:What is fat?
But it's really hard, once you ski down,to get back up.Unless, of course, if you have a ski lift.
For example, nervously watching a garbage truckback up towards your car,the part of your brain that thinks about Shakespearean sonnets
you actually have a lot of reserve.You have back-up connectionsthat can dance around any problems or detours.
both the time lag and the transmission,back up into the elderly,will start to push the death rate back up,
所属分类
大学,出国,其他
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