thrum: n.1.【纺织;印染】织边,绒边;机头。2.〔pl., sing.〕粗乱纱头,线头;乱丝头,接头纱。3.碎屑;【航海】〔pl.〕绳屑。4.缨子,穗子。5.【植物;植物学】雄蕊;花丝,花药。短语和例子not to care a thrum 一点也不介意。 thread and thrum 好好歹歹。vi.,vt.(-mm-)1.单调地[拙劣地]弹拨,随便地弹拨(弦乐器)。2.
An example is the primrose , which is divided into pin - eyed plants have long styles and short stamens and thrum - eyed plants conversely have short styles and long stament 例如樱草花中按照花柱长短将它们分成两种,一种是长花柱和短花丝,另一种具短花柱和长花丝。