This is still impracticably high.这仍然高不可攀....

adv.不可能实施地，无法可想地...

impracticably的音标：impracticably的英式发音音标为：[ɪmp'ræktɪkəblɪ]impracticably的美式发音音标为：[ɪmp'ræktɪkəblɪ]...