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1.genetic material 遗传物质
They studied genetic material from people of different ethnic groups.
他们从不同种族的人中提取基因物质进行研究。
2.in fact 事实上
In fact, those people have been promoted.
事实上，那些人已经升职了。
3.known as 被称为
China has always been known as a land of propriety and righteousness.
中国从来以礼义之邦著称。
4.sea life 海洋生物
The coastal waters of northwestern Spain support many kinds of sea life and birds.
西班牙西北部的沿海水域养育了多种海洋生物和鸟类。
5.The scientists said their DNA results ruled out the presence of large animals such as dinosaurs.
ruled out 排除
Local detectives have ruled out foul play.
当地的侦探已经排除了他杀的可能性。
Police have ruled out robbery as a motive for the killing.
警方已排除因抢劫而杀人的可能。
6.It shows a head on a long neck coming out of the water.
coming out of 从...出来
We met each other coming out of the con-cert hall.
从音乐厅出来时，我们碰到一起了。
When she saw the surgeon coming out of the operating room, she stepped forward and asked many questions.
她见医生走出手术室，急忙上前问长问短。
