劉 ︰ 所以我哋將生物感應器 連接到開關 ， 控制呢啲細胞 我哋將呢個開關擺喺 一個改造過嘅病毒裏面 將病毒注入老鼠大腦
So we connected the biosensor to the switch, and we controlled the cells, and we put the switch in a modified virus and injected the virus into the mouse brain