单词:
单词: 相关文章
Parts of a Hospital Jordan: Excuse me, my girlfriend was brought into the hospital about two hours ago, but I cant find her. Admissions Clerk: Why was she brought into the hospital? Jordan: Im not sure. I got a call from her coworker, but she didnt g
[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课: [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many
By Al Pessin Washington 02 August 2007 Investigators from the U.S. Congress say earlier this year the Defense Department sold nearly 1,400 collections of surplus parts that can be used in aging fighter jets now only flown by Iran, in spite of a ban o
用3D打印技术生产复古跑车 Cars with parts made by 3D printers are already on the road, but engineers are still learning about this new technology. While testing the possibility of printing an entire car, researchers at the U.S. Department o