弹力球 – 用弹跳球控制教室噪音！

bouncyballs.org

description	A free classroom noise level meter, monitor and management tool. Perfect if your school kids are too noisy! Bouncing balls react to sounds from the microphone.
introduction	There are 2 backlinks link to bouncyballs.org There are 1 anchor text link to bouncyballs.org，the most used anchor text in all backlinks is：弹力球
update time	2025-03-28 02:00:10

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