英语作文进阶之每日一句(22):electrical & magnetic
Born in 1777 in Rudkøbing, Denmark, Ørsted established in 1820 that an electrical current coursing through a wire creates a magnetic field that can deflect a compass needle. (From National Geographic News, August 14, 2009: Hans Christian Orsted: Who He Was, and Why You Owe Him)奥斯特1777年的今天出生于丹麦,1820年发现通过线圈的电流产生磁场,可以使罗盘指针产生摆动。
1、主语同位语的用法,在英语里极为常见,在中文里不常见。
2、to establish意思是to discover or prove the facts of a situation,同义词:ascertain。
3、course作动词意思是(literary) (of liquid) to move or flow quickly,这里描述电流流过线圈。
4、注意不定冠词,四个a(n)不可少,后接的四个名词都是可数名词。 沙发
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