单词:prophylatic repair
单词:prophylatic repair 相关文章
Astronauts at the International Space Station have overcome initial fears and are preparing to perform the first spacewalk beneath the shuttle to repair two dangling pieces of material. The material, used to fill gaps between tiles, is sticking out b
[00:22.13]Xiao Hu:Can you help me,Dick? [00:35.27]Dick:Yes.What is it? [00:37.88]Xiao Hu:I'm going to repair the window. It's broken. [00:42.71]Dick:What can I do for you? [00:45.14]Xiao Hu:Hold the ladder for me,please [00:48.35]Dick:OK.But be caref
Lesson 64: [00:03.58]What Do You Know?Have You Seen These Words? [00:09.35]bag bit,a bit of I have a bit of plastic.It's a white bit. [00:18.00]It's small.Look!I can hold it in my hand. [00:23.95]least,less [00:27.43]There are three bags of garbage.I
[00:53.89]Lesson 25 [01:04.47]What are Bob and Tang Ling going to do with the wall? [01:11.52]They are going to paint the wall white put up a notice saying Keep off, [01:19.60]and drill a hole for the electric wires. [01:25.55]Language points [01:30.
By Margaret Besheer Washington 03 November 2007 NASA astronauts have successfully repaired a damaged solar wing at the International Space Station. The operation was completed Saturday, after being postponed twice so engineers could further study how
By Anjana Pasricha New Delhi 10 November 2006 A prominent Sri Lankan Tamil politician has been gunned down in Colombo, even as more clashes were reported at sea between the navy and ethnic Tamil rebels. The dead politician, a member of a party linke