我諗啲樹需要咁上下時間 透過光合作用吸收啲 放射性嘅二氧化碳 轉換成糖 ， 然後送到樹根 然後傳畀隔離棵樹
I think it takes about time for these trees to convert the radioactive carbon dioxide absorbed by photosynthesis into sugar, which is then sent to the roots of the trees and then passed on to the quarantine tree