63 次の英文の下線部を和訳せよ。 大塩 涼りした ne amóunt of ozonein the upper atmosphere has decreased to half of |what/it forms near *Antarctica in the fall. Data gathered by satellites over the past few years were quickly studied, and 1t appears that the ozone hole has been getting larger year by year. Eventually *it may be that there will be no ozone layer at all in the upper atmosphere. * the ozone layer オゾン層 Antarctica 南極大陸 (実情は)~ということかもしれない it may be that