脚: foot...
乐器: musical instrument...
界: boundary, scope, extent, circles, group, kingdom (taxonomy)...
货运: freight transport, cargo, transported goods...
激励: to encourage, to urge, motivation, incentive...
呜咽: to sob, to whimper...
斤: catty, (PRC) weight equal to 500 g, (Tw) weight equal to 600 g, (HK, Malaysia, Singapore) slightly over 604 g...
大街: street, main street...
常态: normal state...
陡: steep, precipitous, abrubtly, suddenly, unexpectedly...