The professor's abstrusely reasoned theories were wasted on his students.学生理解不了这位教授的深奥难懂的理论....

adv.难解地，深奥地...

abstrusely的音标：abstrusely的英式发音音标为：[əbst'ru:slɪ]abstrusely的美式发音音标为：[əbst'ruslɪ]...