单词：
单词： 相关文章
Acting Beijing Mayor Cai Qi admits the current bout of air pollution throughout the capital is a major concern. He says like most people in the city, he is consistently checking the air quality index, and says public concern about the problem is both
2017CRI中国国际广播电台
This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
Scientific American(一)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Scientific American(一)月
堕落的魔鬼穷追不舍，猛击我们最脆弱的地方。负面情绪总是反反复复汹涌袭来，我躲在黑暗的角落哭喊。此时你向我走来：Sing with me a battle cry. 歌词： [Sia] Money cannot buy All the love that's here
流行英文歌曲
By Luke Hunt Tawau, Malaysia 01 October 2009 Haze has returned to Southeast Asia as fires set to clear farm land race out of control in Indonesia. Haze covers Pontianak city on Indonesia's Borneo island, 09 Sep 2009 The haze has enveloped large swat
VOA标准英语2009年(十月)