August, 2005: NASA officially publicises a space exploration program based on this and gives a detailed scheme of man's return to the moon. On 16th July, 1969, Apollo 11, with 3 astronauts aboard,... 查看全文
虽然有关标点符号的运用并没有什么硬性规定，但如果要写风格规范的文章，还是有一些规则可供遵循。下面就是十个我们使用最多的标点符号的应用规则：10. 逗号用于分隔一句中的独立分句。例：The game w... 查看全文
1. Maltron, ￥3900 Keyboards, mouses, and other computer peripheral equipments of today have been changing from practicality over to conceptuality. Manufacturers rack their brains to develop products ... 查看全文