and could vary his programme with acrobatic tricks and simple conjuring.

并能穿插演一些杂技和小魔术使自己的节目多样化。

Gradually the river grows wider, the banks recede,

然后河面渐渐地变宽，两岸后撤，

Could any spectacle, for instance, be more grimly whimsical than that of gunners ourselves very seriously what will happen if this twofold use of knowledge, with its ever-increasing power, continues.

炮兵利用科学毁坏人的身体、而外科医生就在附近用科学抢救被炮兵毁坏的人体，还有什么情景比这更可怕、更怪诞的吗？我们不得不严肃地问问我们自己：随着日益增长的知识的力量，如果我们继续利用知识的这种双重性，将会发生什么样的情况呢？

certainly it is more difficult than the arts which involve appreciation of flat forms,

欣赏雕塑品当然比欣赏平面的艺术品要难。

The comparable speed from the Moon is only 1.5 miles per second.

而从月球出发的相应速度只是每秒1。5英里。

I have known very few writers, but those I have known,

我所认识的作家寥寥无几，然而凡是我所认识