Consider a family of parallel lines that cut the conic.设有一组平行线与圆锥曲线相交.The circular points are really a degenerate conic.虚圆点实际上是一退化的二次曲线.A family of parallel lines cut the conic.有一组平行线与圆锥曲线相交....
Land is, in most instances, purchased by those who occupy it.在大多数情况下，土地都是由其使用者购得。Most of those shares were purchased from brokers.大部分的股份是从经纪人手中购得的。Provisions may be purchased from the mini-market.或许能在小型超市里买到日常用品。...
...a stream of platitudes, outlining many problems but offering few solutions.概述了很多问题、但几乎没有提出解决办法的一串陈词滥调You hear all the platitudes about teamwork but talk out of both sides of their mouths.你常常听到某些公司夸夸其谈团队合作的重要性,但是事实却不尽然...
He was wearing shorts which showed his long, muscular, hairy legs.他穿着短裤，露出自己强壮多毛的长腿。Something was sticking from the pocket of the little man's grimy shorts.小个子男人脏乎乎的短裤口袋里鼓鼓的，伸出来个什么东西。There was so much blood it had s...
They felt as though they had done something discreditable and unclean.他们觉得自己仿佛做了什么龌龊丢脸之事。She had been suspended from her job for discreditable behaviour.她因行为不端而被停职。Bit by bit , she extracted from him discreditable histor...