mountain; hill (CL:座[zuo4]); (coll.) small bundle of straw for silkworms to spin cocoons on

San Francisco, California

volcano

to go down a hill; (of the sun or moon) to set

to climb a hill; to go to the mountains; (of silkworms) to go up bundles of straw (to spin cocoons); to pass away; (of the sun or moon) to rise