名词
中文翻译：投石器
同义词：
['throwing machine', 'throwing device']
例句：
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1.The archaeologists found a thrower made of stone at the site.
考古学家在遗址发现了一个用石头制成的投掷器。
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2.The thrower was used to launch stones at enemies from a distance.
投掷器被用来从远处发射石块攻击敌人。
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3. The thrower was a crucial tool in ancient warfare.
投掷器是古代战争中至关重要的工具。