一、详细释义:


v.

发现,发觉 [T]


例句:

I detected her cheating.

我发觉她在欺骗。


例句:

Can you detect an escape of gas in this corner of the room?

你能觉察出这屋角有煤气漏出来吗?


查明,侦察出 [T]


例句:

This dentist could detect no decay in her teeth.

牙医检查了她的牙齿,未发现有龋齿。


例句:

The police detected a spy.

警方侦查出一名间谍。


二、词义辨析:


discover,find,detect,ascertain

这些动词均有“发现”之意。 discover普通用词,指发现本来存在,但示被认识的事物、真理或情况。 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。 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。 ascertain较正式用词,指有意搜寻与发现。


三、参考例句:


I seemed to detect some anger in his voice.

我似乎察觉到他的声音中有一些怒气。


This dentist could detect no decay in her teeth.

牙医检查了她的牙齿,未发现有龋齿。


The dentist could detect no decay in her teeth.

牙医检查了她的牙, 未见有龋齿。


We seemed to detect some anger in his voice.

从他的声音里我们觉察到他生气了。


This instrument can detect minute amounts of radiation.

这台仪器可以检测出微量的辐射。


The craftsman can detect whether it is a genuine diamond.

那个工匠能区分这块钻石的真伪。


We can use an ultrasound scan to detect abnormality in a foetus.

我们可以用超声波扫描检查。


Can you detect an escape of gas in this comer of the room?

你能觉察出这屋角有煤气漏出来吗?


Humans have no sense organs designed specifically to detect terrestrial vibrations.

人类没有专门用于探查地面振动的感觉器官。


The new test should enable doctors to detect the disease early.

新的检测手段应该能够使医生们尽早查出这种疾病。