单词：obstacle assessment surface
单词：obstacle assessment surface 相关文章
It was worse right back there where it's super thick, man. I've never seen anything like it. It just rolled in on. Its quite unreal. Oh man, look at that streak. Look at the holes off of those. It's thick, thick, thick. Like mud. That's unreal. This
CNN2010年(五)月
Following up on the North Korean missile launch we told you about Monday. U.S. officials say the weekend test showed the communist country`s missile program has become more advanced and more dangerous. But they also say that America and its Asian all
CNN美国有线新闻2017年2月
This is Scientific American's 60-Second Science, I am Adam Hinterthuer. Got a minute? Laundry detergents and air fresheners have long promised to keep your house and clothes smelling sunshine fresh and rain shower clean. But what they haven't said is
Scientific American(八)月
barrier, ['briə] n （用来禁止通行的各种）障碍物（如：栅栏和关卡）＝obstacle 【例】The police put a barrier 警察设了路障。barrier of speech 语言的隔阂
不择手段背单词
The headlines are coming! The headlines are coming! They're here. It's Friday, which is awesome! I'm Carl Azuz. This is CNN Student News. The oil spill in the Gulf of Mexico is up first today, and there is a lot of new stuff to tell you about. First:
CNN2010年(六)月
Our first down the middle report today focuses on a new study by the U.S. government concerning the issue of climate change. A Federal climate assessment has been required by Congress since 1990. The latest one came out Friday. It reportedly involved
CNN美国有线新闻2018年12月