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刺耳的)
herbicide['?:rbisaid]n。 除草剂
例句 To control the development of the Spartina; there are various methods; such as burning; flooding; shading plants with black canvas or plastic; smothering the plants with dredged materials or clay; applying herbicide; and mowing repeatedly。 有许多种方法可以控制米草属植物的生长,比如焚烧、水淹、用黑色帆布或塑料布遮挡、用疏浚材料或黏土使其窒息、喷洒除草剂,以及反复修剪等。
horn[h?:rn]n。(牛、羊等的)角;喇叭;警报器
例句 Because of the natural weapons like horns; hunters avoided deer and reindeer。 因为鹿和驯鹿拥有犄角这一天然武器,因此捕猎者会躲避它们。
同义 trumpet(n。 号角;喇叭)
horticulture['h?:rtik?l??r]n。 园艺,园艺学
例句 Because the Dutch specialized in dairy farming; industrial crops; and horticulture; the country was more productive than some other regions in Europe。 由于荷兰人专注于乳品业、经济作物种植和园艺,所以这个国家比欧洲其他地区更多产。
household['haushould]n。 家庭,全家人 a。 家庭的;家喻户晓的
搭配 household appliances 家用电器;household word 家喻户晓的词语
例句 1。 In the thirteenth century; people in this area went from living in scattered independent households to living in large towns。 在13世纪,这一地区的人们开始从分散的独立家庭转变为到更大的镇子上居住。
2。 If you are constantly on the move; you cannot afford to accumulate large material surpluses — this rule limits the variations in accumulated material goods between pastoralist households。 如果你一直在迁移,就无法积累大量的剩余材料——这个规则限制了田园家庭间的物质累积。
humidity[hju:'mid?ti]n。 湿度;潮湿
搭配 relative humidity 相对湿度
例句 1。 pared to the normal growing season; high temperatures; low humidity; and different day lengths of the dry season may bring difficulties to some crops。 与正常的生长期相比,干旱期的高温、低湿度、不同长度的白昼会给庄稼生长带来困难。
2。 The landscape of the city bees a heat island readily because of greater water runoff and special climatic conditions such as low relative humidity and increased air turbulence。 由于这个城市较大的径流量和特殊的气候条件,例如较低的相对湿
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