- ascertain
- 确定: define; fix; determine; asce ...
- 发现: find; discover
- 发现: find; discover 发现一些线索 find some clues; 发现问题, 解决问题 discover problems and solve them; 发现敌炮艇一艘 spot an enemy gunboat; 划时代的发现 an epoch-making discovery; 考古学上的一项重要发现 an important archaeological find [discovery]; 发现人才, 使用人才 discover and employ qualified personnel; 发现规律 discover the law of ...; 敌机被我们的雷达发现了。 enemy planes were picked up by our radar. 哈维发现了血液的循环。 harvey discovered the circulation of the blood. 在实验中, 我们发现声音以不同的速度通过不同的物质而传播。 in experimenting we find out that sound travels with different velocities through different substances. 我没有发现什么情况。 i didn't notice anything. 发现机器有故障, 要及时排除。 if you find anything wrong with the machine, you should put it right at once
- 确定: 1.(明确地定下) define; fix; determine; ascertain 确定犯罪性质 determine the nature of an offense; 确定会议的日期和地点 determine [fix] the time and place for a meeting; 确定年龄 ascertain the age; 确定人选 pick up the candidates; 确定重点 identify priorities; 确定任务 set the tasks; 确定时限 fix a time frame; 确定原则 define the principles [guidelines]; 失败的原因很难确定。 it's difficult to assign any reason for the failure.2.(明确而肯定) definite; certain; for sure 确定不移的结论an incontestable conclusion;不能认为这是确定无疑的。it cannot be regarded as definitely established
- 发现，突然发现: catch sight of
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