2018年2月28日

中译英25

摘要： Tray usually refers to a JEDEC standard matrix tray measuring 12.7x5.35 inches and either 0.25 or 0.40 inches tall. Trays are usually constructed from 阅读全文

posted @ 2018-02-28 13:23 keep1 阅读(277) 评论(0) 推荐(0)

listen 56

摘要： Kettles Stop Whistling in the Dark British physicist Lord Rayleigh is best known for his discovery of argon and for explaining, in 1871, why the sky i 阅读全文

posted @ 2018-02-28 08:42 keep1 阅读(112) 评论(0) 推荐(0)

2018年2月28日

公告