比如，1848事件后不久，查尔斯·达尔文在英国发表自然选择学说。
For example, not long after the events of 1848, Charles Darwin presented his theory about natural selection in Britain.
比如，1848事件后不久，查尔斯·达尔文在英国发表自然选择学说。
For example, not long after the events of 1848, Charles Darwin presented his theory about natural selection in Britain.
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