but it's only with the help of today's technology 但只有借助现代科技
It's a remarkable skill and one we still do not fully understand. 我们至今仍未能完全了解 这种了不起的本领
Now it's just a matter of reeling in the line 现在 它只需收起丝线
For five months of the year it's sealed by an ice sheet over a metre thick. 每年中总有5个月 湖面被1米厚的冰层覆盖
but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊