Computers have become smaller and smaller, more and more powerful and cheaper and cheaper.
計算機已經變得體積越來越小，功能越來越多，價格越來越低，
新概念英語第三冊
Lesson 51 Predicting the future
?? 句中詞匯解析
從本句中提取的重要詞匯
adj. 強大的;權力大的;（藥）有效地;
adv. 很;非常;
?? power力量+ful表形容詞，“有…的” →有力的
"The powerful lords were guilty of grinding the villagers under their heels."
那些大領主的罪過是以權勢欺壓村民.
近義：lordly, masterful, mighty, authoritative, potent, puissant
反義：impotent, infirm, labile, languid, languishing, languorous
vi. 變為，成為;變得;變成;
vt. 適合，適宜;相稱，相當;變成;發生;
?? be(upon)+come→變為；成為(=to come upon）
"In a world that had suddenly become alien and dangerous, he was her only security."
在一個突然變得陌生而危險的世界里，他是她唯一的守護神。
近義：turn, wax, get, go, grow, suit
反義：remain, keep, stay, get