这些双胞胎帮助科学家了解环境与生物学之间的联系。
These twins help scientists understand the connection between environment and biology.
卡洛斯告诉他,自己与音乐商有极好的联系,他们会帮助他取得成功。
Carlos told him that he had excellent contacts with the music businessmen and that they would help him achieve success.
几乎所有人都说,他们用手机与同伴保持联系,三分之一的人曾使用手机帮助有需要的同伴,约80%的人说手机让他们感到更安全。
Almost all said that their cell phone was the way they stayed in touch with peers, one-third had used the cell phone to help a peer in need, and about 80% said the phone made them feel safer.
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