00:04:49,130　　这才叫问得好　　That's a great question.　　101　　00:04:50,000 --> 00:04:51,130　　不用担心月球　　Don't worry about the moon.　　102　　00:04:51,130 --> 00:04:53,570　　我们把激光调弱了　　We-We set our laser to stun.　　103　　00:04:54,080 --> 00:04:55,130　　聪明　　Smart.　　104　　00:04:55,730 --> 00:04:57,740　　发射时我们能看到光束　　Now, we'll be able to see the beam when it leaves,　　105　　00:04:57,740 --> 00:04:59,570　　但返回时的光束减弱　　but it won't be strong enough when it comes back　　106　　00:04:59,570 --> 00:05:00,810　　裸眼看不到　　to be seen by the naked eye.　　107　　00:05:00,810 --> 00:05:01,870　　裸　　Naked.　　108　　00:05:07,210 --> 00:05:09,510　　是很搞笑　　Right. Uh... funny.　　109　　00:05:09,520 --> 00:05:13,700　　那个装置能测量返回的光子" type="audio/mpeg" />-->