1. But then the ear also needs training, since at first it can hardly detect differences in sounds which grown-up people hear most clearly.
    但是耳朵也同样需要训练，因为最初耳朵几乎分辨不出声音的不同，而成年人却大多听得很清楚。

2. The dentist could detect no decay in her teeth.
    牙医检查了她的牙, 未见有龋齿.

3. A new machine called ´The Revealer´ has been invented and it has been used to detect gold which has been buried in the ground.
    一种叫"探宝器"的新机器已经发明出来，并被人们用来探测地下埋藏的金子。

4. Several cases have been reported in Russia recently of people who can read and detect colours with their fingers,
    俄罗斯最近报导了几个事例，有人能用手指看书识字和辨认颜色，

5. Recent developments in astronomy have made it possible to detect planets in our won Milky Way and in other galaxies.
    天文学方面最新发展使得我们能够在银河系和其他星系发现行星。

6. Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.
    地球周围温暖的大气层和望远镜散出的热量使得我们根本不可能找到比行星更小的物体。

7. In Japan, scientists have wired the Earth and sea to detect movements.
    在日本，科学家在陆地上和海洋中铺设电线，以监测它们的运动。

8. For example, when people who fear snakes are shown a picture of a snake, monitors attached to their skin will detect sweat, a sign of anxiety, even though the people say they do not feel fear.
    例如，当怕蛇的人看到蛇的画面时，在他们体表上安放的监控器会测到排汗，这是焦虑的迹象，即使他们说自己并未感到害怕。