fundamental

a.基本的，根本的，重要的 n.基本原则

fully, fulminate, fulmination, fulsome, fulsomely, fulsomeness, fumble, fume, fumigate, fumigation, fun, fun-fair (also fair), function, function key, functional, functionalism, functionalist, functionally, functionary, fund, fundamentalism, fundamentalist, fundamentally, fundamentals, funeral, funeral director, funeral parlour (US funeral home), funereal, fungi, fungicide, fungoid, fungous, fungus, funicular, funk, funky, funnel, funnily, funniness, funny,