今天我们要学的词是 age-appropriate. Age-appropriate 适合年龄的。YouTube launched a new app called YouTube Kids which is designed to only play age-appropriate videos. Youtube 推出一款名为YouTube Kids 的新应用，只播放适合儿童观看的视频。The new app will help parents make sure their kids are staying away from materials that are not age-appropriate. 这款新应用可以帮助父母保证孩子不会看到不适合他们看的内容。好的，今天我们学习的词是 age-appropriate, age-appropriate, age-appropriate...