?
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。

exertion
CET4

英 / ɪɡˈzɜːʃn /
美 / ɪɡˈzɜːrʃn /
n. 运用;行使;努力;费力

复数:exertions

1. Climbing further, with renewed courage, he at last saw his goal before him, but not without long and weary exertion.
他又重新鼓起勇气,继续往上爬,他终于看到了眼前的目标,但还需要经过漫长而疲惫的努力才能到达。
2. He clearly found the physical exertion exhilarating.
他明显发现体力消耗令人愉悦。
3. She was hot and breathless from the exertion of cycling uphill.
她骑车上山累得全身发热,喘不过气来。
4. He knew that too much exertion would be dangerous, and rest was needed for the tired girl.
他知道过度疲惫是危险的,这个疲惫的女孩需要休息。
5. On the basis of this ideal, the Taoist school formulated the management spirit of wuwei erzhi (to govern without exertion).
道家在这一理想的基础上,制定了“无为而治”的管理精神。