单词:semipolluted
单词:semipolluted 相关文章
[00:04.99]Lesson 21 1 Dialogue [00:11.23]Mr Zhr is taking a school party to the seaside. [00:17.11]They have just arrived at the beach. [00:21.05]MR ZHU:OK,everyone.Less noise,please! Gather round and listen carefully. [00:27.90]First we are going to
[00:04.41]Lesson 33 [00:07.76]1.Dialogue [00:11.60]Jackie is talking to Yang Pei about a conference which Jackie has just been to. [00:18.96]What was the conference like? [00:22.41]Very interesting.It was called Saving the earth [00:27.27]and it was
1. bicentennial /ˈbaisenˈtenjəl/ -- two hundredth anniversary The bicentennial of George Washington's birth was celebrated in 1932. 乔治华盛顿200周年生日纪念于1932年举行。 2. semicircle /ˈsemɪˌsɜ:kəl/ -- half of a circle At th
[00:38.30]1.What are the school children going to look for? [00:44.54]Seaweeds,fish,plants,all living things. [00:55.69]2.What are they planning to do after this? [01:02.46]Have a swim,have a picnic. [01:09.90]3.What is the problem? [01:14.87]They ca
LOS ANGELES, April 27 (Xinhua) -- Air pollution poses a threat to the health of about 154 million Americans -- or more than half of the U.S. population, the American Lung Association (ALA) said on Wednesday. The air is so polluted in some areas that