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the king himself set out to penetrate the camp of Guthrum, the commander of the Danish invaders.

他親自潛入丹麥入侵司令官古瑟羅姆的營地。

The question became one of whether Man could control the disease he had invented.

現在的問題是，人類能否控制住這種人為的疾病。

It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.

毒液不是生存競爭強加給它們的，它們也可以不用毒液捕捉動物而生存，就像今天成千上萬的無毒蛇那樣。

Carlyle was entirely ignorant of what the bottle in his pocket contained,

卡萊爾不知道藥瓶子里裝的是什么藥，

His telescopic observations are justly immortal;

伽利略用望遠鏡所作的觀察確實是不朽的，

as the wave leaves the particles behind back to its starting point again.

當波浪把微粒留在身后時又回到出發點。