This nippy new car has fold down rear seats.这辆速度很快的新车配有可以放倒的后座。a nippy car快车It could get suddenly nippy in the evenings.晚上会突然变得很冷。Barnaby may be 15, but he's nippy and suited to badminton.巴纳比可能15岁了，但他动作敏捷，适合打羽毛球。nip...
约翰·巴丁也是超导电性理论的创立者之一。John Bardeen was also co-developer of the theory of superconductivity.现在不是谈理论的时候。This was no time for theorizing.这些课程介绍的是统计学理论的基础。These courses provide the groundwork of statistical theory....