careful比较级和高水平是什么为什么变为carefully
careful的比较级是more careful,高水平是the most careful。careful的意思是小心;注意;谨慎;细致的;精心的;慎重的,carefully 是它的副词形式。 例句: Can't you be a bit more careful with my bike?你骑我的车就不能更小心点吗? Such an occasion demands the most careful consideration。这样的场合需要最周到的考虑。 We all think...