9. The difference between libel and slander is that libel is printed while slander is spoken.
    誹謗和流言的區(qū)別在于前者是書(shū)面的，而后者是口頭的。

10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
    膝蓋是大腿骨和小腿脛的連接處。

11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.
    酸是一種化合物，它在溶于水時(shí)具有強(qiáng)烈的氣味和對(duì)金屬的腐蝕性，并且能夠使某些藍(lán)色植物染料變紅。

12. Billie Holiday’s reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
    Billie Holiday’s作為一個(gè)爵士布魯斯樂(lè)杰出歌手的名聲建立在能夠賦予歌曲感情深度的能力。

13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.
    理論在本質(zhì)上是對(duì)認(rèn)識(shí)了的現(xiàn)實(shí)的一種抽象和符號(hào)化的表達(dá)。

14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.
    兒童在能說(shuō)或能聽(tīng)懂語(yǔ)言之前，很久就會(huì)通過(guò)面部表情和靠發(fā)出噪聲來(lái)與人交流了。

15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.
    受當(dāng)代灌溉(技術(shù)設(shè)施)之賜，農(nóng)作物在原來(lái)只有仙人掌和蕎屬科植物才能生存的地方旺盛的生長(zhǎng)。

16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
    機(jī)械計(jì)時(shí)器的發(fā)展促使人們尋求更精確的日晷，以便校準(zhǔn)機(jī)械計(jì)時(shí)器。