frequent flyer的相關資料：
臨近單詞
Frequenti
frequent
Frequent-vibration trapping light
frequent ventricular premature beats
Frequent premature ventricular beats
frequent bursts of machine-gun fire
frequent and watery bowel movements.
frequent itemsets with item constraints
frequent structure hierarchy space model
frequent premature ventricular contractions
Frequent relubrication is also recommended.
Frequent infantile respiratory tract infection
