adv. 常常;經(jīng)常;時(shí)常;再三;
?? 十(ten)有八九的(of), 經(jīng)常的
"Sleep has often been thought of as being in some way analogous to death."
人們常常認(rèn)為睡眠在某種意義上來說類似死亡。
近義:manyfold, oft, oftentimes, repeatedly, usually, offtimes
反義:infrequently, occasionally, seldom, sometimes