(6)One way to fit the pieces of a broken iron bar together is heating the iron until it softens and pounding it with a hammer. 把一根断成数截的铁棍连接起来的一个方法就是把铁加热至软化,然后用铁锤去锻打。(句中heating和pounding均为表语。)
动名词的被动态
当动名词的逻辑主体是动名词的动作对象时,该动名词通常用被动形式。例如:
(1)When a vapor condenses, the energy that it absorbed in being baporized is again released as heat. 当蒸汽冷凝时,它汽化时所吸收的能量又以热的形式释放出来。(it用来代替vapor,it时vaporize这一动作的承受者,所以要用动名词的被动形式being vaporized.)
(2)It is assumed that every substance which is capable of being magnetized consists of a very large number of molecular magnets.人们假定,能够被磁化的各种物质都是由大量的分子磁体组成的.(句中which用来代替substance,which时动词magnetize这一动作的对象,所以magnetize的动名词应用被动形式。)
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