usually ['juʒuəli] 词频1 词根: 使用

adv. 通常，经常，平常，惯常地;一直，向来;动不动，一般;素;

💡 usual通常的+ly副词后缀→通常地，惯常地

"The discovery of distillation is usually accredited to the Arabs of the 11th century."

近义：invariably, mostly, normally, oft, often, oftentimes 反义：infrequently, occasionally, seldom, sometimes

slippery ['slɪpəri] 词频3 词根: sl-

adj. 狡猾的;滑溜的;不可靠的;

💡 slipp 滑+ ery 表名词→ ad.滑的，使人滑跤的

"slippery like a fish"

近义：lubricous, pullout, slick, sliding, slimy, slippy

road [rod] 词频1

n. 路;通路;途径;方法; vt. 在…设置路障;（狗）沿臭迹追逐（猎物）;（狗）闻着臭迹追;

"His land abuts onto a road."

近义：highway, lane, path, pathway, route, street