crop circle

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈcrop ˌcircle noun [countable]  x-refa pattern that began appearing in the fields of farms in Britain during the 1980s and the 1990s. 麦田怪圈〔英国农田上出现的图案，有人相信是外星生物所为〕

ˈcrop ˌcircle nounChineseSyllable  

crop circle
ˈcrop ˌcircle noun [countable]
a pattern that appeared in British farm fields, which some people believe was made by creatures from another world

crop circleBrE /ˈkrɒp sɜːkl/ 🔊NAmE /ˈkrɑːp sɜːrkl/ 🔊 (also ˈcorn circle) nouna round area in a field of crops that has suddenly become flat. Some people say that crop circles were made by creatures from outer space. 麦田圈（庄稼地里突然变平的一块圆形地，传说是外星生物所为）