相关单词近义词 obscurely 暗地, unintelligibly 难以理解地, incomprehensibly 费解地, puzzlingly 使迷惑地, perplexingly 使人为难地, mysteriously 神秘地, profoundly 深深地临近词abstruse, abstruse respiration, abstruse key exercise, ABstruse and mysterious, abstruse mutual generation, abstruse literary theories, abstruseness-accessibility, abstruse speculations contain vertigo 返回 abstrusely