中文翻译与英英解释

n.
1.〔古语〕石弩。
2.【台球】撞空；【网球】(碰壁)弹回；〔比喻〕间接的一击。
3.(拖炮用的)垫肩。

an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
同义词：catapult, arbalest, arbalist, ballista, mangonel, onager, trebuchet, trebucket,