单词：vacuum valves
单词：vacuum valves 相关文章
[00:00.00]Unit7 Future living [00:05.49]A The children are at Dr Jeckel's lab. [00:12.33]Listen,look and act. [00:16.69]Hi,Dr Jeckel.What's new in your lab? [00:22.26]Hello,Pat.Hello,Koko.There's a radio. [00:29.62]There's a sofa.There are DVDs and D
新路径小学英语三年级上册(一起)
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
词汇大师(Wordmaster)
1.there is not a great deal of difference between...and... ...和...并没有很大区别 2. the graphs show a threefold increase in the number of ...图表表明...的数字呈现三倍增长 3....decreased year by year while...increased steadily. .
雅思英语
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
英语单词大师-Word Master
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los
英语单词大师-Word Master