nián / qīng / rén / yīng / gāi / liǎo / jiě / yáo / tóu / wán / duì / shēn / tǐ / hé / dà / nǎo / de / wēi / hài年轻人应该了解摇头丸对身体和大脑的危害。Young people should understand the harm that Ecstasy can cause to the body and brain.