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Lesson 53 Television Day: Penicillin TV Commentary: If you leave a piece of bread in a warm damp place, mould will soon grow in it. When this happens, we say that bread has gone mouldy. Mould can grow on all kinds of things besides food-on leather, c

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2011年VOA慢速英语(十一)月

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农业与发展

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学英语单词

affiliate to/with

Altarelli

Aminga

approximate sampling distribution

assembl? soutenu

average bond energy

backing case

biological filtration process

blanket loom

blood-analysis

blow out (magnetic)