a turn对比aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号A study of deferred power试论递延权力A digraph D is unilateral图D是单连的。a serious chronic ailment沉疴难起aortic arch pulse tracing主动脉弓搏动图A forum on housing reform住房改革恳谈会a swell of panic/pride恐慌的加剧；自豪感的增强A.actinomycetemcomitans伴放线放线杆菌a concert/cricket tour巡回音乐会；板球巡回赛a lucky/unlucky streak运气好/不好的阶段A window or windowpane.窗户，窗玻璃

1. My mind was clarified on this issue.
   对这个问题我的头脑变得清楚了。
2. Denner had a mind as sharp as a needle.
   登纳有一副精明的头脑。