soil

vt.弄脏 n.泥土，土壤 vi.变脏

soft-drink, soft-hearted, soft-heartedness, soft-pedal, soft-soap, soft-spoken, softball, soften, softener, softish, softly, softness, software, softwood, softy (also softie), soggily, sogginess, soggy, soh, soigne, soiree, sojourn, sol, sol-fa, solace, solar, solar cell device, solar plexus, solar system, solarium, sold, solder, soldering-iron, soldier, soldierly (also soldier-like), soldiery, sole, solecism, solely, solemn,