noun 下载 🔗分享 吊桥,起重桥。 A counterbalanced structure having one end that rises as the other lowers Examples : "The drawbridge operated using a bascule system, allowing ships to pass underneath when the road deck was raised. " 这座吊桥采用平衡式吊桥系统运作,当桥面升起时,船只就可以从下方通过。 architecture building device machine structure 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 后膛铰链, 炮闩。 The portion of a breech-loading firearm that pivots open in order to allow access to the chamber. Examples : "The hunter carefully opened the bascule of his shotgun to load two shells. " 猎人小心地打开了猎枪的后膛铰链,装入了两发弹壳。 weapon part machine military 与AI对话词汇游戏阅读练习