hung around短语²²¹⁴¹ 基本例句 na.在附近徘徊；踌躇不前；🌏到处闲逛 Dr Spadafora, for instance, claims he once found a section of frog DNA, which must have hung around in his laboratory from an experiment conducted more than a year previously, inside a mouse sperm. 例如， Spadafora宣称曾经发现一段青蛙的 DNA存在于白鼠的精子中，这项发现是一年多以前的一项实验中得出的。 ecocn