| 词汇 | laborious |
| 词根词缀 | 词源： late 14c., "hard-working," from O.Fr. laborieux (12c.), from L. laboriosus "toilsome, wearisome, troublesome," from labor. Meaning "costing much labor" is from 1550s. Related: Laboriously. 词根记忆： a. 辛苦的,吃力的(labor+ious→劳动的→辛苦的)[labor=labor,表示"劳动"] 词根词缀： laborious laborious a 辛苦的,吃力的(labor+ious=劳动的=辛苦的) labor=labor,表示”劳动” labored a 吃力的,费力的(labor+ed=被劳动出来的=费力的) laborious a 辛苦的,吃力的(labor+ious=劳动的=辛苦的) laboratory n 实验室(labor+atory地方=劳动之地=实验室) belabor v 过分罗嗦,重击(be+_labor=过分劳作=过分做事或罗唆) elaborate v 精工细做(e出+labor+ate=做出来的=精工细做) collaborate v合作,勾结(col共同+labor+ate=共同劳动=合作) |
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