?
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。

certification
CET6

英 / ˌsɜːtɪfɪˈkeɪʃ(ə)n /
美 / ˌsɜːrtɪfɪˈkeɪʃ(ə)n /
n. 证书;证明;检定;合格证

1. An employer can demand written certification that the relative is really ill.
雇主可要求书面证明以证实这位亲属确实病了。
2. It could have meant the end as far as the certification process was concerned.
就认证过程而言,这可能意味着结束。
3. Some states require parents or a home tutor to meet teacher certification standards.
一些州要求家长或家庭教师达到教师资格认证标准。
4. In September 2000, MSC announced that the Alaska salmon fisheries qualified for certification.
2000年9月,美国水产管理委员会宣布阿拉斯加三文鱼渔场获得认证资格。
5. Certification is for an initial period of five years, with an annual review to ensure that the fishery is continuing to meet the required standards.
证明的最初期限为五年,每年进行一次审查,以确保渔业继续达到所要求的标准。