intrepidity
n.大胆，刚勇；大胆的行为
网络解释.无畏；言语勇猛
backbone
双语例句
1. 1 . I threw myself into class discussions, attempting to dazzle him with my intelligence and intrepidity .
我全身心投入班级讨论, 试图用我的智慧和冒险精神去赢得他的钦佩.
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n.大胆，刚勇；大胆的行为
网络解释.无畏；言语勇猛
backbone