名词
中文翻译：投射物
同义词：
['projectile', 'projectile charge']
例句：
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1. Thesoldiers were ordered to cast their guns atthe enemy.
士兵们被命令向敌人投掷他们的枪。
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2. The missile was launched from adistance of over 100 miles.
导弹从100多英里的距离发射。
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3. The engineers carefully cast the metalinto the mold.
工程师们小心翼翼地将金属倒入模具中。