词典释义：
n.（玻璃熔炉的）炉口
Around 270,000 firms work in tourism in Italy and Mr Bocca says the 15% drop in turnover expected this year will quickly lead to job losses.
意大利有27万家公司从事旅游业，博卡预计今年营业额将下降15%，很快就将导致就业机会减少。
Around 270, 000 firms work in tourism in Italy and Mr Bocca says the 15% drop in turnover expected this year will quickly lead to job losses.
意大利有27万家公司从事旅游业，博卡预计今年营业额将下降15%，很快就将导致就业机会减少。
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