
好词典

源自中古英语 bounden(跳跃),古法语 bondir(反弹),最终来自拉丁语 bombitare(发出嗡嗡声)。名词意义来自界限的概念,与 boundary 同源。
❶ 指某事物的界限或范围,可以是物理上的边界,也可以是抽象概念的限制。常用于描述运动、发展或行为的限制范围。
“The ball bounced out of bounds.”
(球弹出了界外。)
“Her enthusiasm knows no bounds.”
(她的热情无限。)
❶ 指跳跃或快速移动的动作,通常用于描述动物或人充满活力的移动方式。
“The deer bounded across the field.”
(鹿跳跃着穿过田野。)
“She bounded up the stairs excitedly.”
(她兴奋地跳上楼梯。)
out of bounds — 表示超出允许的范围或界限,常用于体育比赛或禁止进入的区域。
“The teacher said the construction site was out of bounds for students.”
(老师说建筑工地对学生来说是禁区。)
by leaps and bounds — 形容进步或发展非常迅速,强调大幅度的提升或增长。
“Her English improved by leaps and bounds after studying abroad.”
(出国留学后,她的英语进步神速。)