otential; intelligent elites; and the misfortune of the rival munities。 一些因素也許可以解釋這個地方的大力發展,包括其地理位置、豐富的自然資源、灌溉潛力、聰明的精英以及與之競爭的群體的不幸。

同義 parative(n。 競爭對手)

rolling['rouli?]a。 起伏的;週而復始的

搭配 rolling hills 綿延起伏的群山

例句 What initially surprised us is that many of their cities were not built next to the rivers but on high terrain in rolling uplands。 最初讓我們驚訝的地方在於他們的許多城市不是建在河邊,而是在綿延起伏的高地之上。

runoff['r?n?f]n。 決賽;徑流;流走的東西

搭配 urban runoff 城市徑流

例句 1。 Two types of flow features were seen: those are runoff channels and outflow channels。 一共可以看到兩種流動特徵:那就是徑流渠道和流出渠道。

2。 These scenarios start with planting certain species of plants to treat the pond contaminated by runoff。 這些方案從種植特定的植物開始,以處理被徑流汙染過的池塘。

salinity[s?'lin?ti]n。 鹽分;鹽度;海水的高含鹽量

搭配 absolute salinity 絕對鹽度

例句 Evaporation causes the increase of salinity and results in the scarcity of freshwater。 蒸發導致鹽度上升,進而造成了淡水的缺乏。

sap[s?p]n。 樹液,汁液;元氣

例句 Spartina is particularly tolerant of high salinities for its salt glands on the surface of leaves can remove the salt from the plant sap。 大米草科植物特別能夠忍耐高鹽度,因為其樹葉表面的鹽腺可以去除植物液汁中的鹽分。

同義 fluid(n。 汁液)

要點 在託福閱讀文章中,植物的汁液通常都用sap表示,但sap也可以表示“元氣”。

saturate['s???reit]v。 使溼透;使飽和

搭配 saturated zone 飽和帶

例句 1。 The total volume of water in the saturated sample must be looked as consisting of water that can; or cannot; drain away。 飽和樣本的全部含水量必須被看作含有能排盡的和不能排盡的水。

2。 The ocean can saturate the atmosphere