In recent years, scientists have made a breakthrough in heart transplants.（)
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Scientists long ago came upon the idea of growing plants in the ocean .（)
我喜欢哲学，更喜欢文学. I like literature more than philosophy.（)
access means an opportunity or right to use sth. or approach sb.（)
我在校门口和他分了手。 I parted from him at the school gate.（)
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