词根：lent = loose （松）

relent 放松；宽厚（re再+lent——再放松）

relentless 无情的

词根词缀：lent-, lenta-, lenti-

【来源及含义】Latin: slow, sluggish, immovable

【相关词根词缀】 Cross references directly, or indirectly, involving "slow, slowness, slow of, sluggish": dys-; tard-.

【同源单词】lentamente, lentando, lentidigitation, lentitude, lento, relent

词根词缀：lenti-, lent-, lens-

【来源及含义】Latin: lens, lentil

【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; irido-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.

【同源单词】achromatic lens, acoustic lens, bifocal lens, compound lens, concavoconvex lens, lens