ultrafine英ʌltrə'faɪn美ˌʌltrə'faɪnCOCA¹²⁴⁴⁸⁵BNC²³⁶²¹³⁺¹ 基本例句 adj.特细的¹⁰⁰ In this study, a Pulverisette planetary ball mill was used for the ultrafine grinding of camellia pollen in attempt to achieve the full release of intracellular nutrients. 为使茶花粉孢子内营养物质能够得到充分释放,采用行星球磨机对茶花粉进行了超微化破壁试验研究。 dictall