疑难病症difficult: adj. 1.困难的,(工作等)艰难的。 2.执拗的,顽 ...complicated: adj. 复杂的,错杂的,混乱的,麻烦的。 adv. - ...case: n. 1.箱,盒。 2.鞘,袋,套子,壳,罩,容器。 3 ...difficult and complicated illness case: 疑难病症the difficult and complicated cases: 疑难病下载手机词典可随时随地查词查翻译