Although the oil is in shallow waters , the sea ices over for eight or nine months a year .
尽管石油贮藏在浅水区域,但是一年有8到9个月海面上都结着冰。
Marco polo returned from his famous expedition with fruit-flavored ices , reporting that asians had been making them for thousands of years .
马可波罗从他那次著名的考察中带回了有水果味的冰,据报告说,亚洲人已经使用了它有数千年之久了。
But without a thick atmosphere to trap heat , it is possible that permanently shadowed regions could stay cold enough to preserve ices for millions , if not billions , of years .
Properly made it included milk and eggs and , therefore , the cost of production , especially when it was made with care and with good ingredients , was higher than the cost of producing ices , the profits could be considerable .