inexplicably
adv. 费解地；无法说明地
近义词：unaccountably，mysteriously，strangely，bizarrely，curiously，puzzlingly，enigmatically，
例句
用作副词(adv.)
- Corrections to the document were made shortly before the project was presented to the bank's board, then amended, then inexplicably dropped.在该项目递交世行董事会前不久对这一文件做了修改，然后进行修正，接着就令人费解地被弃之。