A Japanese toy maker will launch a karaoke machine measuring mere 7cm this year, letting children hone their vocal skills.
日本一家玩具制造商计划推出一款世界上最小的卡拉OK机，让儿童练习唱功。
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Luckily, Sam and I still had some time. After more thought, we switched our idea from a superhero machine to an invisible-ink-maker-and-decoder machine.