previouslyadv.先前;在此之前
previousadj.以前的;先于;在 ... 之前
previous medical illness既往病症, 既往疾病
Previous angina pectoris梗塞前心绞痛
previous to sb's arrival在某人到达之前
previously-stored data[计] 先前存储数据
previous line prediction前行预测,扫描前行预测,前扫描线预测
Previously not Available以前不能得到