?
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。

contaminant
IELTS

英 / kənˈtæmɪnənt /
美 / kənˈtæmɪnənt /
n. 致污物;污染物

复数:contaminants

1. Experts say testing needs to be done on each contaminant to determine the long-term effects on humans.
专家说需要对每种污染物进行测试,以查明对人类的长期影响。
2. The results show that man's movement affects air pressure, air velocity and contaminant distribution, while the impact on air temperature can be ignored.
结果表明,人体活动会对室内气流压力、速度及污染物分布产生一定程度的影响,对温度分布的影响可以忽略。
3. High purity water systems are primarily composed of austenitic stainless steel (ss) materials due to their corrosion resistant and contaminant free properties.
考虑到铬镍不锈钢(SS)的抗腐蚀和防污染性,高纯水系统基本上都是由铬镍不锈钢材料构成。
4. Characters, shapes and stage concentration of the contaminant were defined; and two representative drain pipes in Harbin was been measured by field experiment.
对污杂物的性质、形状以及分级浓度进行了定义,并通过实验在典型时段对哈尔滨市两处具有代表性的污水干渠进行了现场测定。
5. The present coupled CTHM constitutive model has been integrated into the coupled thermo-hydro-mechanical mathematical model including contaminant in porous media.
本文CTHM耦合本构模型已在多孔介质的热–水力–力学–污染物传输数学模型中建立。