Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect object 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。

属类：学习英语-新概念英语-第三册

He can detect a typhoon by rule of thumb.

他能凭经验预测出台风

属类：学习英语-易错英语-

Recent developments in astronomy have made it possible to detect planets in our Milky Way and in other galaxies.

天文学方面的最新发展使得我们能够在银河系和其他星系发现行星。

属类：学习英语-新概念英语-第三册

A new machine called ’The Revealer’ has been invented and it has been used to detect gold, which has been buried in the ground.

一台新的名叫“显宝器”的机器已被发明用来探寻埋在地底下的黄金。

属类：学习英语-新概念英语-第二册:lesson 55

But let’s leave the ukulele and go back to war. If you are pilot of a spy plane, you want to fly under the enemy’s radar. This way they will not detect you on their radar screens.

不说尤克里里了，让我们回到战争中。如果你是间谍飞机的飞行员，你希望敌人的雷达发现不到你（you want to fly under the enemy’s radar），这样他们就没法在雷达屏幕上看到你。

属类：学习英语-Words And Their Stories 词汇掌故-词汇掌故：军事缩略语