1952年，阿尔弗雷德·赫尔希和玛莎·蔡斯的“沃林混合实验”证实了 DNA 是遗传物质。
In 1952, the "Waring blender experiments" of Alfred Hershey and Martha Chase confirmed DNA as the genetic material.
三年以后，艾伦和凯西在荒野中看到了希斯·克里夫，希斯·克里夫带她们去呼啸山庄看林顿和哈里顿。
Three years later, Ellen and Cathy are on the moors when they meet Heathcliff who takes them to Wuthering Heights to see Linton and Hareton.
希斯·克里夫不允许林顿吃药，然后他死掉了。
Heathcliff does not allow Linton any medical help and he dies.
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