单词:cyclohexyl tosylate
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The Eentsy, Weentsy Spider (一只小蜘蛛) The eentsy, weentsy spider 一只小蜘蛛, Went up the water spout, 顺着水槽爬上来。 Down came the rain 突然下起了雨, And washed the spider out, 小蜘蛛被雨水冲下去。 Out
经典歌曲-友谊地久天长AULD LANG SYNO塞尔 Should auld acquaintance be forgot, and never brought to mind? Should auld acquaintance be forgot, for the sake of Auld Lang Syne If you ever change your mind, but are leaving leaving me behind. Oh,
Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe
A: I hate to call you this late at night, but could you possibly help me get to the emergency room? B: We will come right over. What happened? A: My temperature went up to 105, and I have a rash! B: Make sure that someone unlocks the back door, so I