区别辨析discover、find、detect与ascertain

发布时间:2023-04-05T07:26:29 英语口语

discover、find、detect与ascertain这些动词均有“发现”之意。

discover : 普通用词,指首次发现本来存在,但未被认识的事物、真理或情况。

  • Who discovered America?
    谁发现了美洲?
  • We searched all morning for the missing papers and finally discovered them in a drawer.
    我们一上午都在找那些失踪的文件,最后终于在一个抽屉里找到了。
  • Scientists have discovered how to predict an earthquake.
    科学家们找到了预测地震的方法。
  • She discovered (that) her husband was having an affair.
    她发现丈夫有外遇。
  • Following a routine check-up, Mrs Mason was discovered to have heart disease.
    例行体检发现梅森夫人患有心脏病。
  • The boss discovered him stealing money from the cash register.
    老板发现他从钱箱里偷钱。

find : 普通用词,可指偶然发现,也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。

  • I've just found a ten-pound note in my pocket.
    我刚在口袋里找到了一张10英镑的钞票。
  • I couldn't find Andrew's phone number.
    我找不到安德鲁的电话号码。
  • You'll find the knives and forks in the left-hand drawer.
    你会发现刀叉在左手边的抽屉里。
  • Researchers are hoping to find a cure for the disease.
    研究者们希望能找到治愈这种疾病的方法。
  • Has he found himself a place to live yet?
    他找到地方住了吗?
  • She was found unconscious and bleeding.
    人们发现她时,她已不省人事而且血流不止。
  • The study found that men who were married lived longer than those who were not.
    这一研究发现已婚男人的寿命要比未婚男人长。
  • Do you think they'll ever find a way of bringing peace to the region?
    你认为他们能找到办法给这个地区带来和平吗?
  • We're really struggling to find (= get) enough money to pay the rent.
    我们眼下正想尽办法凑钱缴房租。
  • After years of abuse from her husband, she eventually found the courage to leave him.
    在遭受丈夫多年的虐待之后,她终于鼓起勇气离开了他。
  • I wish I could find (the) time to do more reading.
    我希望自己能挤出时间多看一点书。

detect : 正式用词,强调经过周密观察或研究而有所获得和发现,尤指发现有意隐藏之物。

  • Some sounds cannot be detected by the human ear.
    有些声音是人的耳朵无法察觉到的。
  • Financial experts have detected signs that the economy is beginning to improve.
    金融专家已经注意到了经济开始有好转的迹象。

ascertain : 较正式用词,指有意搜寻与发现。

  • The police have so far been unable to ascertain the cause of the explosion.
    警方到目前为止尚未查明爆炸原因。
  • Have you ascertained whether she's coming or not?
    你问清楚了吗,她来还是不来?