spec

名词 spec:

1. a detailed description of design criteria for a piece of work
   同义词：specification

1. I can't believe, sometimes, that granny is dead. If I close my eyes I can just see her knitting away in that armchair as large as life, with her specs half-way down her nose.
   有时我真不相信祖母经去世。只要我闭上眼睛，就会看她活生生地坐在一把扶椅上，眼镜挂在鼻梁上，手里织着毛线衣。
2. I went to the concert on spec: I hadn't booked a seat.
   我去听音乐会是碰运气，因为没预订座位。