tim 定时 [例句]One of the mysteries surrounding Steve Jobs'decision to hand the CEO title over to Tim Cook is its 上周，史蒂夫•乔布斯宣布将CEO职务交由蒂姆•库克接管。围绕他的这一决定，最让人不解的是时机的选择。science 英[ˈsaɪəns] 美[ˈsaɪəns] 科学; 理科; 学科; 技术，知识 [例句]The best discoveries in science are very 最伟大的科学发现都非常简单。
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