長久以來，人們談“癌”色變，癌癥是醫學界難以攻克的問題，現在醫療水平不斷發展，科學家不斷研究新的阻止癌細胞擴散的方法，微型激光器的研究史一個很大的進步。本期寫作素材節選自《經濟學人》文章Microscopic lasers(微型激光器)。
o8BbSZVu latest attempt, by Vladimir Zharov of the University of Arkansas and Mark Stockman of Georgia State University, in Atlanta, involves injecting cancer patients with hordes of tiny lasers that will seek out and destroy so-called circulating tumour cells (CTCs). These are cells that have broken off a primary tumour and which, if left unchecked, might lodge in various parts of the body and turn into secondary cancers, a process called metastasis.
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1.重點詞匯
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zZ mI (1)horde[hɔ:d]游牧部落;一大群(n.)
gfw,S; →This attracts hordes of tourists to Las Vegas.
THWT\3~, 這吸引了成群結隊的游客到拉斯韋加斯來。
4Z"D F)+} (2)tumour[ˈtju:mə(r)]腫瘤(n.)
s\1h=V)!H →It wasn't cancer, only a benign tumour.
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8&!s 這不是癌癥，只是良性腫瘤。
l|^p;z: d (3)lodge in 寄宿，固定(停留)在
FF6[qSV (4)metastasis [məˈtæstəsɪs]轉移(n.)
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*g% →Antioxidant represses the cancer metastasis through scavenging ros.
$SRpFz5y$ 抗氧化劑可以通過清除活性氧化物而抑制癌轉移的發生。
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