coarse

a.粗糙的，粗劣的

coachwork, coagulant, coagulate, coagulation, coal, coal gas, coal oil, coal tar, coal-black, coal-face (also face), coal-hole, coal-mine (also pit), coal-miner, coal-scuttle (also scuttle), coal-seam, coalesce, coalescence, coalfield, coalition, coaming, coarse fish, coarse fishing, coarsely, coarsen, coarseness, coast, coastal, coaster, coastguard, coastline, coat, coat of arms (also arms), coat of mail, coat-hanger, coat-tails, coax, coaxing, cob, cobalt, cobber,