单词：ferric lactate
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Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa
发表于:2018-12-24 / 阅读(140) / 评论(0)
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Test Your Vocabulary Knowledge of Farm Words 测试你关于农场的词汇知识 Today we have a vocabulary quiz. We start with two questions about terms for plants. First question: What is the name for a plant that lives only one year or one growin
发表于:2019-01-12 / 阅读(146) / 评论(0)
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