At the start of the 1800s, a new artillery shell appeared on the battlefields of Europe. It was the brainchild of an English officer who had spent 30 years perfecting it.
十九世纪初，欧洲战场上出现了一种新炮弹，那是英国一名军官发明的，花了他三十年研制，精益求精。
At the start of the 1800s, a new artillery shell appeared on the battlefields of Europe. It was the brainchild of an English officer who had spent 30 years perfecting it.
十九世纪初，欧洲战场上出现了一种新炮弹，那是英国一名军官发明的，花了他三十年研制，精益求精。
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