?
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。

decontaminated

vt. 净化,给……去污(decontaminate 的过去式和过去分词)

1. The surfaces of the sample are decontaminated effectively first by chemical etching and then by heating directly in a stream of oxygen after placing sample on loading arm.
先经化学腐蚀再在试样臂上用纯氧加热可以有效地消除试样的表面沾污。
2. If buildings and roads need to be decontaminated, that could be accomplished by other relatively simple methods like wiping, power-washing or steam-cleaning, unless the cesium is deep.
如果建筑物和道路需要清除污染物,可以采用擦拭、动力清洗或者蒸气清洁这些相对比较简单的方式来完成,除非铯已经进入地下。
3. In the case of elastomeric respirators and PAPRs, the respirator body and PAPR case is designed to be decontaminated and reused in accordance with the manufacturer's use instructions.
在使用可更换式呼吸器橡胶面罩和PAPR的情况下,呼吸器本体和PAPR本体的设计允许根据制造商的使用说明消毒,并可重复使用。
4. The park, set within land that has been decontaminated and cleaned up to host the Olympics, is considered a key factor in setting a tone for the games and providing a lasting legacy for the area.
公园设在已经净化和整洁过的主办奥运会的场地内,这个公园被认为是给奥运会设定某种气氛的关键因素并且为该区献上一份持续性的遗产。