Unilateral diode

unilateral ['jʊnɪ'lætərəl]

adj. 单边的，一方的;单方有义务的;片面的;仅由一方实行或承担的;

uni一个，单一+later边+al形容词后缀，…的→单边的→单方面的

diode ['daiəud]

n. 二极管;

when I was about eighteen years old.

那时我差不多十八岁。

Keep your body clean!

身体要常保持清洁。

Other books are for reading slowly and carefully. If it is a book on a subject that you are interested in, you will want to chew and digest it. That does not mean reading it too slowly. When you pick up a book for the first time, check that it is not to

还有一些书是要慢慢地、仔细地阅读的。如果有一本书谈论的题目你很感兴趣，你就想“咀嚼、消化它”。这并不意味着要读得太慢。当你第一次拿起一本书的时候，你得检查一下，这本书不是太难读。除非从头几页书中你能看出这是一本你容易读懂的书，否则你就不要去读它。