托福閱讀長難句
11. Some scholars expand on this idea by emphasizing a corresponding need for arable land to feed growing numbers of people: construction of small dams, reservoirs, terraces, and field houses indicates that farmers were intensifying their efforts during the 1200s. (TPO 24 Moving into Pueblos)
句子理解
本句的冒號(hào)前后分別是兩個(gè)獨(dú)立的并列句，后者是對(duì)于前者的補(bǔ)充。冒號(hào)前句子的謂語動(dòng)詞是expand on。冒號(hào)后句子的謂語動(dòng)詞是indicates，之后還有that引導(dǎo)的賓語從句。本句的主要結(jié)構(gòu)可以簡(jiǎn)化成：Some scholars expand on this idea by emphasizing a corresponding need for sth to do sth: construction of A, B, C, and D indicates that …。
詞匯總結(jié)
expand作動(dòng)詞，表示“擴(kuò)大;增加”，比如：The population of the town expanded rapidly in the 1960s. 20世紀(jì)60年代，這個(gè)鎮(zhèn)子的人口迅速增加。expand on的意思是“進(jìn)一步闡述，詳述”，比如：The minister expanded on the government’s proposal. 部長就政府的方案作了詳細(xì)闡述。
arable作形容詞，表示“適合耕種的”，arable land指的是“適合耕種的土地”。
dam作名詞，表示“水壩”。
terrace作名詞，表示“臺(tái)階;梯田”。
intensify作動(dòng)詞，表示“增強(qiáng)，加劇”，比如：They had intensified their military campaign. 他們加強(qiáng)了軍事進(jìn)攻。Police have intensified the search for the lost child. 警方已經(jīng)加緊尋找那個(gè)失蹤的孩子。
句子翻譯
為了喂養(yǎng)更多的人口，相應(yīng)就需要更多可耕種的土地，一些學(xué)者強(qiáng)調(diào)這種需求，詳細(xì)闡述了他們的看法：修建小型水壩、水庫、梯田、以及房屋都表明13世紀(jì)的農(nóng)民們?cè)诩颖杜Α?