单词：cylinder caisson
单词：cylinder caisson 相关文章
If you've been outside before a rainfall in the spring, you might have noticed a particularly fresh or sweet smell that seeps into the air a few minutes before the first drops begin to fall. If you're familiar with this smell, it's a great way to pre
英语时差8，16
Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，
初学者听力文摘精选
There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
I have something pretty that sits on my windowsill in my kitchen. It's a shell from Hawaii. I'm not sure what kind of shell it is, or what it is called, but it certainly is something that I love to look at. My mother brought it back from her recent t
英语博客 A cup of English
Voice 1 Thank you for joining us for todays Spotlight. Im Joshua Leo. Voice 2 And Im David Bast. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In the ea
环球英语 Spotlight
模仿句子The sun is rising on the Arizona morning, and there's a thin layer of mist hanging just above the ground. 翻译：亚利桑那州的清晨，太阳冉冉升起，一层薄薄的雾霭笼罩在地面上
英音模仿秀