?
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。

toxic waste
考研

na. 毒性废料

复数:toxic wastes

1. Too much toxic waste is being dumped at sea.
太多的有毒废料在向大海里倾倒。
2. A solution to the problem of toxic waste is proving elusive.
有毒废料这个问题证明难以解决。
3. According to Fiona Qian, the firm's deputy manager, the high cost of doing this means some refineries are still dumping toxic waste in landfills.
根据该公司副总经理 Fiona Qian 的说法,这种做法成本高说明一些炼油厂仍然在往垃圾掩埋场排放有毒废物。
4. The river has been polluted with toxic waste from local factories.
当地工厂排放的有毒废弃物污染了这条河。
5. Large sections of the river have been poisoned by toxic waste from factories.
工厂的有毒废弃物污染了大段大段的河流。