单词：detachable blades
单词：detachable blades 相关文章
[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was
美国英语听力80篇
Warren: So Antoinette, youve been living in Japan for a while now, right? Antoinette: Yes, that's right. Warren: Well, can you tell me, do you like to use chopsticks or forks and knives more? Antoinette: It depends on what Im eating really. For the m
英语趣味课堂
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. It sounds like the title to a Rudyard Kipling tale: how the turtle got its shell. But its actually a question that has puzzled scientists. After all, n
Scientific American(七)月
The White House has announced plans to allow visitors to take photos and use social media during public tours of the building for the first time in 40 years. 美国白宫宣布，公众参观白宫可以拍照并上传至社交媒体。这是白宫40年
阅读空间
台湾籍旅美老师今天交给我们的句子是： From the 17th century through the 19th century women's pockets were these large detachable things that tied onto a woman's waist underneath her skirts. There were unfashionable, they were not ver
留美老师带你每日说英文