记忆方法
记忆“humus”这个单词的方法可以是联想记忆法，结合其含义来记忆。可以将“humus”与“hum”结合记忆，因为“hum”有轻声嗡嗡作响的含义，就像土壤中的微生物在忙碌地活动，而“humus”是土壤中的腐殖质，是微生物活动后的产物。想象土壤中有许多微小的生物在“hum”（嗡嗡作响）着，逐渐形成了“humus”。这样，通过这种形象化的联想，可以帮助记忆“humus”的含义。
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中文词源
humus 腐殖质
来自拉丁语humus,泥土，土壤，词源同exhume,humble,来自PIE*dhghem,泥土，词源同chthonic,chameleon,chamomile.可能来自PIE*dhegh,燃烧，词源同day,fever.词义演变参照area.
英语词源
- humus
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humus: see humble
- humus (n.)
- 1796, from Latin humus "earth, soil," probably from humi "on the ground," from PIE *dhghem- "earth" (source also of Latin humilis "low;" see chthonic). Related: Humous (adj.).
权威例句
- 1. Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.
- 蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。
- 2. The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
- 缺少腐殖质和过度淋滤使这种土壤对农业几乎无用.
- 3. Humus is dead, decaying organic matter. NOT inorganic fertilizer.
- 腐殖质是已死的 、 腐烂中的有机物质. 而不是无机肥料.
- 4. The rendzina is rich in lime and has an upper humus horizon.
- 其富含有石灰和较高量的腐殖质.
- 5. When the humus has been formed, plants can grow well in it.
- 一旦腐殖土形成, 植物就可以在里面茂盛地生长了.