difficulty和difficult的造句
Mathematicians can master any difficulty . 数学家能克服任何困难。 His real difficulty was probably shyness . 他的真正的毛病是害羞。 All sorts of difficulties cropped up . 各种各样的困难意想不到地出现了。 Ice has difficulty in negotiating sharp corners . 冰很难越过尖锐的角隅。 berenice a little...