a. 马力大的, 高性能的, 精力充沛的
在线英汉词典
high-powered的短语、例句：
high-powered adj [usu attrib 通常作定语] 1 (of things) having great power （指事物）强有力的
a ,high-powered `car, `rifle, `engine 马力很大的汽车、 火力很强的步枪、 大功率的发动机. 2 (of people) forceful and energetic （指人）劲头很足的, 精力旺盛的
high-powered business executives 干劲十足的商务行政人员.

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