【therefore音标】 英[ˈðeəfɔ:(r)] 美[ˈðerfɔ:r]
【单词释义】 therefore是什么意思：
adv.因此；所以；故；乃
[单词分级] 高考英语词汇
【单词例句】
◇ For the heart asks for fragrance, even when it is no longer young; and there is very little of that to be found in the dahlias or the dry chrysanthemums; therefore the butterfly turned to the mint on the ground.
人上了年纪，心中喜欢的就是香味呀。特别是在天竺牡丹和干菊花中间，香味这东西可说是没有了。因此蝴蝶就飞向地上长着的薄荷那儿去。
---- The Butterfly
◇ He found the knowledge Yuan circulated very practical. Therefore, he made a summary and began to build up a new farming method.
他发现袁传播的知识非常实用，因此，他做了摘要，并开始建立一种新的耕作方式。
---- A New Farming Way
◇ Microwaves, like radio waves, are a type of of "non-ionizing radiation," meaning they don't have enough energy to knock electrons out of atoms, the FDA says. Microwaves are therefore not known to damage DNA inside cells, according to the American Cancer Society.
FDA称，和无线电波一样，微波是一种“非电离辐射”，这意味着微波不具有足以撞击电子使其脱离原子的能量。因此，美国癌症学会表示，并不认为微波会破坏细胞内的DNA。