#VOA慢速附字幕:在盒子里种植西红柿 搜索结果
CHRISHERCRUISE:ThisisSCIENCEINTHENEWS,inVOASpecialEnglish.Today,wetellaboutanAmericanfarmerandanunusualdevicehedeveloped.Fortwentyyears,peoplearoundtheworldhavebeenbuyinghisinvention. (MUSIC) JIMTEDDER:BlakeWh
