continuum

n (pl ~s or -ua/ -UE; -JE/) graded sequence of things of a similar kind, so that the ones next to each other are almost identical, but the ones at either end are quite distinct; cline 连续统一体.

contiguous, continence, continent, continental, continental breakfast, continental shelf, contingencies, contingency, contingent, continual, continually, continuance, continuation, continue, continue to do, continued, continuing, continuity, continuous, continuously, contort, contorted, contortion, contortionist, contour, contour map, contoured, contra-, contra-indication, contraband, contraception, contraceptive, contract, contract bridge, contracted, contractible, contractile, contraction, contractor, contractual,