"perceptible only as unaccountable influences that hinder progress" "an unexplainable fear"
例句
用作形容词(adj.)
On top of this, you're performing an absolutely unexplainable miracle that makes the whole experience completely unforgettable.在此顶部,你执行使整体经验完全地令人难忘的一个绝对无法说明的奇迹。