Drysdale's book pinpointed nicotine as the dangerous agent and reported its ill effects on the lungs, circulation system, even the skin.
Drysdale在书中准确地指出尼古丁是危险的药剂，并且报道了它对肺、循环系统甚至皮肤的不良作用。
And by its definition, a book with millions of copies in circulation counts as much as an "obscure master's thesis languishing in a university library."
其定义为，拥有百万册流通量的书跟“大学里导师给出的折磨人的命题”差不多。
Since we opened in January 2009, the children's book circulation has been up about 30 percent each month and still growing as we fine-tune the collection and the room.
从2009年1月开馆以来，儿童图书每月的借阅量增加了30%，随着我们改进藏书和阅览室的状况，这个数量还在增加。
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