noun 下载 🔗分享 吊桥， 翘板。 A counterbalanced structure having one end that rises as the other lowers Examples : "The playground seesaw is an example of bascules; as one child goes up, the other comes down. " 游乐场的跷跷板就是吊桥的一个例子；一个孩子上去时，另一个孩子就会下来。 architecture structure machine device building 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 枪机框, 铰链。 The portion of a breech-loading firearm that pivots open in order to allow access to the chamber. Examples : "The gunsmith carefully inspected the bascules of the antique shotgun for wear and tear. " 枪匠仔细检查了这把老式猎枪的枪机框和铰链，看看是否有磨损的痕迹。 part weapon military machine 与AI对话词汇游戏阅读练习
