BrakefieldˈbreɪkˌfildCOCA²⁸⁰¹³⁶⁺⁵ 基本例句 n.布雷克菲尔德¹⁰⁰ Over25 years of sampling insects, Brakefield and his colleagues noticed a change. 在超过25年的昆虫采样调查中, Brakefield和他的同事注意到一些变化。 yeeyan Brakefield says the two- spot ladybugs are now so extraordinarily difficult to find that he can't continue the study. Brakefield说现在双斑瓢虫如此稀有以至于他无法继续他的研究。 yeeyan