She's proficient in several languages.她精通好几种语言。a technically proficient performance of the piece精湛的乐曲演奏She was very proficient in music.她非常精通音乐.Mr. Barret is not proficient in diagnosis, let alone investigation.巴瑞特先...
今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。A Delta II rocket was launched from Cape Canaveral early this morning.一枚北约的导弹误将那架飞机击落。The plane was shot down in error by a NATO missile.徽章也有卖的，2.5英镑一枚。Badges are also available at a cost of £...