常見例句I have mastered the rudiments of economics.我已精通經(jīng)濟(jì)學(xué)的基本原理。He has fagged away at French for some years and has mow mastered it.他苦學(xué)了幾法語，現(xiàn)在已經(jīng)掌握得很好了。 返回 mastered