occlude

v. 使闭塞,封闭,关闭,逐出 (adj. occlude)

obtrusion, obtrusive, obtrusive-ness, obtrusively, obtuse, obtuse angle, obtusely, obtuseness, obverse, obviate, obvious, obviously, obviousness, ocarina, occasion, occasional, occasional table, occasionally, Occident, Occidental, occult, occultist, occupancy, occupant, occupation, occupational, occupied, occupier, occupy, occur, occur to, occurrence, ocean, ocean lane, ocean-going, oceanarium, Oceania, oceanic, oceanography, ocelot,