介词短语在句中分析与翻译的实例05

The technological breakthrough and the lndustrial Revolution brought with them a mastery of food production and control of infectious disease that reduced the normal death-rate to below 1.5 per cent．

技术革新和工业革命促进了食品生产，控制了传染病的流行，这使人口正常死亡率降到1.5％以下。(to below是双重介词，reduce．．．tobelow，“降到……以下”。)　　



　　64．There are a few specially designed homes that are heated primarily by the sun but there is no practical and economic means for converting solar energy directly into that great convenience，electricity．

　　现在已有一些专门设计的住宅主要利用太阳能取暖，但还没有一种实用和经济的办法把太阳能直接转化为便于使用的电能。(介词短语for．．．electridty用来修饰means。，oonverting．．．into，“把……转化为……”。)



　　65．A balance consists of an arlTl balanced at its middle，　with known weights hung on one hand and the object whose weight is to be found on the other．

　　天平由一个在中央平衡的臂组成，已知重量的砝码挂在平衡臂的一端，而把要称出重量的物体挂在平衡臂的另一端。　(分词短语balanced at its middle用来修饰arm。with...weights hung…是介词复合结构，用来对balance作补充说明，过去分词known作定语，修饰weights。hung是hang的过去分词。)　

《介词短语在句中分析与翻译的实例05(第2页)》