be used once信息详情
使用一次
used be───曾经是
used to be───过去是；过去曾经是
be used to───v.习惯于，适用于
be widely used───广泛应用
be used in───被用于
be used of───用于
be used for───用来做…；用于；被用于做某事
be used on───被用在
be used with───与…一起使用
Most of these files are secondary and may only be used once or twice but they come in very handy.───多数这些文件都是次要的，也许您只用得上一两次，但他们很容易获得。
To further secure the system, tokens only can be used once.───为了进一步加强系统的安全，令牌只能被使用一次。
Ejector seat levers can only be used once, and their consequences are significant and irreversible.───弹射座椅操纵杆只能用一次，它的使用将引起重要的变化，而且这个。
The utility model has the characteristics of a low cost, a light weight, is not easy to crush in mailing, and can be used once.───不但造价低且具有观察、邮寄不易破碎、重量轻、可一次性使用的特点。
Sending humans into space is expensive, partially because a launch rocket can only be used once, burning up in the process.───将人类送入太空的代价非常昂贵，部分原因是火箭只能使用一次，在任务执行的过程中就毁弃了。
Certainly the word deserves more respect that to be used once in a rather disgusting way and then discarded.───当然，这个单词值得更多的尊敬，而不是在以一个相当令人恶心的方式使用过后而丢弃。
At present, virtual credit card can only be used once and are mostly used for shopping overseas.───目前，虚拟信用卡都是一次性的，主要用于海外购物。
There was no way of removing the feet at the end of the day without damaging them and so each pair could only be used once.───每天拍摄结束，如果不把这些胶乳脚弄坏是不可能把它们摘掉的，所以，每双都是一次性的。
The total refund amount will be offset against your first purchase in VRC PRO, this refund can only be used once.───总的退款金额将冲抵你的第一个购买添加专业，这笔退款只能使用一次。
Eventually they will be used once more and the whole cycle will then have to be repeated.
The coupon can be used once only.
The total refund amount will be offset against your first purchase in VRC PRO, this refund can only be used once.
Note: tinder can be repeated the use of wood can only be used once.
Under an organic regime, insecticides can not be used once the crop is in store.
Ejector seat levers can only be used once, and their consequences are significant and irreversible.