关节腔

articular cavity / joint cavity

mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve

joint (physiology) / key point / critical phase

see 節骨眼|节骨眼[jie1 gu5 yan3]

festival / holiday / node / joint / section / segment / part / to economize / to save / to abridge / moral integrity / classifier for segments, e.g. lessons, train wagons, biblical verses / CL:個|个[ge4]

joint; node / (bound form) section; segment / solar term (one of the 24 divisions of the year in the traditional Chinese calendar) / seasonal festival / (bound form) to economize; to save / (bound form) moral integrity; chastity / classifier for segments: lessons, train wagons, biblical verses etc / knot (nautical miles per hour)

cavity of body / barrel (e.g. engine cylinder) / compartment / tune / accent of speech

(bound form) cavity / tune / accent (in one's speech) / (old) (classifier for carcasses of slaughtered livestock)