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她小声地说，“我们正在把那些烧杯换成普通的科学实验用品。”
She whispered quietly. "We're replacing the beakers with normal science fair experiments."
这以后，汤姆把自己所有的零用钱都花在了他的那些实验用品上。
After that, Tom spent all his pocket money on things for his experiments.
请大家自觉维护实验室的卫生，下课后请带走自己的垃圾和东西，实验用品清洗干净，椅子归回原处，把干净整洁的学习环境留给下节课的同学。
Please maintain the laboratory clean. Take away the garbage after class. Wash the experimental items and put the chairs return to theirs place, please leave a clean environment to the next class.
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