他那本带有精美插图的书见证了他对大学的热爱。His beautifully illustrated book well attested his love of the university.他们最终来到一扇雕刻精美的对开门前。Eventually they reached a pair of ornately carved doors.他刚写完一本书，插图精美，内容也并不艰涩。He's just written a book...
He was at his happiest whilst playing cricket.玩板球时他最开心了。Whilst playing badminton, I ruptured my Achilles tendon.打羽毛球时，我的跟腱撕裂了。The firm will be able to undercut its competitors whilst still making a profit.该公司将得以把价格压得低于竞争...