单词:building block molecule
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HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. On our show this week: We listen to some music from Melissa Etheridge /P Answer a question about the White House /P And tell about the results of a recent high school
Dialogue 9 Laurance- Is this where I catch the bus for the zoo? Soony- You can take a T-30 from here, but then you have to walk about six blocks. Laurance- That doesn't sound too bad. Soony- Actually,
By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin
歌词: Maybe were going nowhere fast Ohhh And maybe we never even touched the gas Ohhh Alright, its alright, its alright Youll see Ohhh Alright, its alright, its alright Believe Ohhh These building tops They connect the whole block Ohhh You threw
'Take' Is a Building Block in English Now, the weekly program Words and Their Stories from VOA Learning English. On this program, we explore the history and usage of common expressions in American English. And we give examples so that you can learn t
Discovery Could Lead to New Drugs to Block Deadly Viruses Viruses are strange things. Though there is some scientific question about whether viruses are alive or not, they do have a basic genetic structure that allows them to be biologically active.