音标：['sʌbtilin] ；

n. [生化]枯草菌素

n a polypeptide antibiotic (similar to bacitracin) obtained from a soil bacterium

词型变化：名词复数形式 : subtilins

AS IT IS 2015-12-30 “It Ain’t Over ‘Til It’s Over”: Yogi Berra and Other People We Lost in 2015

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发表于:2018-11-27 / 阅读(598) / 评论(0)

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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

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Grammar Girl here. Today guest-writer Bonnie Trenga is helping us talk about two sets of words that listeners get confused: pleaded guilty or pled guilty, and use or utilize. Plead Versus Pled Mike from Georgia is transitioning from law enforcement t

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发表于:2019-01-10 / 阅读(253) / 评论(0)

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Keith Urban: Til summer comes around Another long summer's coming and gone I don't know why it always ends this way The boardwalk's quiet And the carnival rides Are as empty as my broken heart tonight But I close my eyes and one more time We're spinn

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Yeah I'm a fighter and I made it through Solid gold survivor that's my attitude But I didn't know I didn't know I didn't know I didn't know That I had to be your hero Baby don't ask me to be strong for you aswell Pushed off the edge and now I'm back

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amphibious research craft

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beat someone out of his track