?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

wear-and-tear
六级

na. 消耗;衰竭;伐采

1. The wear-and-tear that comes from these longer relationships can be quite devastating.
来自这些长期关系的损耗毁灭性可能十分巨大。
2. In addition to paying for fuel and wear-and-tear on a fleet vehicle, the plumbing shop needs to cover the time spent traveling to my home.
除了要为车队支付燃油费和损耗费外,修理方到达我家的旅行时间还需要得到补偿。
3. These are the first machines that can stand the wear and tear of continuously crushing glass.
这些是第一批能经得住连续碾碎玻璃造成的磨损的机器。
4. They must endure wear and tear.
它们必须能够经得起磨损。
5. "Nothing lives for ever!" However, in this statement we think of artificially produced, technical objects, products which are subjected to natural wear and tear during use.
“没有什么是永远存在的!”然而,在这个陈述中,我们想到的是人工制造的技术性物体和产品,它们在使用过程中受到自然磨损。