单词 power-driven 例句 DEFINITIVE EXAMPLES 权威例句〔jigsaw〕A usually power-driven saw with a narrow vertical blade, used to cut sharp curves.坚锯:一种具有垂直的窄小刀片的电锯,用于切割较尖的弯曲美国传统〔machine shop〕A workshop where power-driven too...