固: Ⅰ形容词(结实; 牢固; 坚硬) firm; hard; solid 短语和例子坚固 strong; 稳固 firm; stable; 本固枝荣。 when the root is firm, the branches flourish.Ⅱ副词1.(坚决地; 坚定地) firmly; resolutely 短语和例子固请 firmly invite; 固辞 resolute
快: Ⅰ形容词1.(速度高; 走路、做事等费的时间短) fast; quick; rapid; swift; speedy 短语和例子动作快 be quick in action; 快极了 very fast; 请别说得那么快。 please don't speak so fast. 他进步很快。 he has made rapid progress. 我的表快五分钟。 my w
