feng kuang kai dong wu

瘋狂嘅動物點解蜜蜂會嗡嗡響？因為佢哋對翼每秒鐘震動400次。震動產生咗嗡嗡聲。點解蛇會嘶嘶吐信？佢哋會發出呢個聲音係因為佢哋覺得收到咗捕食者嘅威脅。Crazy animals. Cantonese books for kids, children's books in Cantonese.