ingenious /inˈdʒi:njəs/ adj. 聪明的,巧妙的:an ingenious boy 一个头脑聪明的男孩; ingenious device 制作巧妙的装置 [考句] It took a lot of imagination to come up with such a(n) ingenious plan.提出这样巧妙的计划是需要很多想象的。
ingenuity /ˌindʒiˈnju:iti/ n. [u]机灵,独创性:someone who has the ingenuity to solve problems善于解决问题的人The boy showed ingenuity in making toys.那个小男孩做玩具很有创造力。