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 different chemical groups and that the order of the groups in this sequence was fixed and repeated itself at regular intervals。 當化學元素被按照原子質量遞增排列時,我們發現連續的化學元素屬於不同的主族,這種順序在一個組中是固定的,並且會定期重複出現。

3。 What we know is that as we include longer time intervals; the record shows increasing evidence of small changes in climate between different regions。 我們知道當時間間隔越長的時候,記錄會顯示更多的證據證明發生在不同地區的微小氣候變化。

irrigate['irigeit]v。 灌溉;沖洗傷口

例句 1。 It is projected that the remaining water can support only 35 to 40 percent of the irrigated acreage by the year 2030。 按計劃,到2030年,這些剩餘的水只能支援35%~40%的灌溉畝數。

2。 Unfortunately; the cost of water obtained through these schemes would increase pumping costs and make the cost of irrigated agricultural products unpetitive on the national and international markets。 不幸的是,透過這些方案獲得水資源的成本會使抽水的成本加大,使得灌溉農產品在國內和國際市場上都不具競爭力。

派生 irrigation(n。 灌溉)

laden['leidn]a。 載滿貨的;充滿的;有精神負擔的

例句 1。 Heavily laden wagons were widely used in the industrial regions。 在一些工業地區,重型裝載火車的使用十分廣泛。

2。 The water was always laden with pebbles; gravel; and sand; known as glacial outwash; that was deposited as the flow slowed down。 海水經常充滿了鵝卵石、碎石和沙子,隨著漲潮退去而沉積下來,這些都稱做冰水沉積。

同義 filled(a。 滿的)

lane[lein]n。 小路;行車道;航線

例句 It was a close…knit munity that was consisted of rectangular; one…storey mud…brick houses; and narrow lanes; which was finally abandoned about 5000 B。C。 這是一個密集型的社群,由矩形的泥磚平房以及狹窄的道路構成,但它最終在公元前5000年的時候被遺棄了。

同義 表示道路的詞還有:path 路徑;channel 通道;highway 公路;bypass 旁道。

moisture['m?is??r]n。 潮溼,溼氣

例句 1。 The fungi absorb moisture and mineral salts from the rocks; and then pass these on in waste products that nourish algae。 菌類從岩石中吸收溼氣和礦物鹽,並把這些物質透過廢物傳遞,而這些廢物可以為海藻提供營養。

2。 The presence or absence of moisture is deter