https://online2.tingclass.net/lesson/shi0529/0009/9907/329.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
down-to-earth 不骄傲的，平易近人的，务实的，脚踏实地的
Mary is probably the most down-to-earth person I've ever met.
Mary也许是我见过最接地气的人了。
Your project is more down-to-earth and sensible.
你的计划更务实也更合理。
疯狂练习吧!
