F: Another flight attendant is coming down the aisle with coffee and tea.
空服员：另外一位空服员正送着咖啡和茶从走道上过来。
Methods Fluoride ion (f) -selective electrode method was used to determine fluorin content of capsicum, tea, corn, rice, toothpaste, tap water and mineral water.
方法对该市不同地点抽取的市售辣椒、茶叶、玉米、大米、牙膏、自来水和矿泉水，采用氟离子选择电极法测定氟含量。
The results of the experiment shown that the F in tea plants taken up from the soil was mainly transported to the leaves and its content accounted for about 90% of the whole tree.
结果表明，茶树从土壤中吸收的氟，主要向叶片运输，根、茎部基本不积累氟，溶液培养试验也得到了同样的结果。
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