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包围;(昼,夜)逐渐变短

clobber, cloche, clock, clock golf, clock tower, clock-face, clock-watcher, clock-watching, clockwise, clockwork, clod, clodhopper, clog, clog-dance, cloister, cloistered, clone, close, close about, close down, close one's ears to, close over, close up, close with, close with sb, close-cropped (also close-cut), close-down, close-fitting, close-grained, close-hauled, close-knit, close-run, close-set, close-up, closed, closed season, closed shop, closed-circuit television, closed-minded, closely,