?
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。

contaminants
IELTS

n. [环境]污染物;污垢物(contaminant 的复数)

1. Filters do not remove all contaminants from water.
过滤器无法过滤掉水中的所有污染物。
2. Contaminants found in poultry will also be found in their eggs.
在家禽里发现的污染物,也将会在它们下的蛋里发现。
3. Fossils are often washed together on-site in a large bath which can allow water and contaminants in the form of contemporary DNA to permeate into the porous bones.
化石通常在大浴池中进行现场清洗,这可以使水和现代 DNA 形式的污染物渗透到多孔骨骼中。
4. As an added bonus, the system would also remove many contaminants, viruses and bacteria at the same time.
额外的功能是该系统同时会除去污染物,杀死病毒和病菌。
5. Adibi added that many factors are different in New York city and Krakow - such as diet, lifestyle, ethnicity and other contaminants.
阿迪比补充到纽约和克拉科夫之间许多因素存在不同如饮食,生活习惯,种族划分和其他污染。