例句：

　　He had no history of delinquency.

　　他沒(méi)有犯罪記錄。

　　Fancy! She's never been in a plane before.

　　真想不到！她竟然從未坐過(guò)飛機(jī)。

　　She got the highest score in fancy diving.

　　她在花式跳水中得了最高分。

　　You can't hear waves of such a high frequency.

　　你聽(tīng)不到這么高頻率的聲波。