ballista
英[bə\'lɪstə]
美[bə\'lɪstə]
基本释义
- n.
- （古代用以发射石弹等的）抛石机，投石器; 弩炮
实用例句
Ballista: Ancient missile launcher designed to hurl long arrows or heavy Balls.
投石机: 古代投掷物体之发射器,用作发射长箭或重型球状物.
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英英释义
Noun
1. medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles