v. 感到疑惑（好奇），想知道；n. 惊奇；奇迹

  2. record [?rek?:d] n. 记录，唱片；履历；v. 记录，写下

  3. astronaut ['?str?n?:t] n. 宇航员

  4. witness [?witnis] n. 目击者；证据；v. 目击；作证

  5. illusion [i'lu??n] n. 幻想，错误的假象，幻觉；错误，假象

  小贴士

  crop circle

  a crop circle is a sizable pattern created by the flattening of a crop such as wheat, barley, rye, maize, or cole. crop circles are also referred to as crop formations, because they are not always circular in shape. while the exact date crop circle began to appear is unknown, the documented cases have substantially increased from the 1970s to current times. approximately ten thousand crop circles appeared in the last 30 years of the 20th century. ninety percent of those were located in southern england. many of the formations appeared near the historecal remains, such as stonehenge. according to one study, nearly half of all circles found in the uk in 2003 were located within a 15 km（9.3 miles）radius of avebury.

  麦田怪圈

  麦田怪圈是指在农田如小麦、大麦、黑麦、玉米、油菜等农田上通过某种力量把农作物压平而产生出几何图案。麦田怪圈也称农作物阵型，因为他们并不总是圆的形状。麦田怪圈的出现并没有一个确切的时间。有资料记载的此类现象出现于20世纪70年代。在20世纪的最后30年内大约出现了一万个麦田怪圈，而90％的麦田怪圈发生在英国南部。许多阵型都出现在古文明遗迹附近，如史前巨石阵。一项研究指出，2003年英国大约有一半的麦田怪圈在埃夫伯里周围15千米范围内的地区被发现。