In other words, Holland's research suggests that summertime sea ice - which is predicted to disappear by mid-century - could possibly recover to its previous extent and thickness.
换句话说，霍兰德的研究表明，原本预计本世纪中期完全消失的夏季海冰有可能恢复原来的覆盖面和厚度。
2
Rason offers a port on the Sea of Japan, something denied China since it ceded Outer Manchuria to Russia in the mid-19th century.
A couple miles to the south-west was the base of the Lassen Peak Trail. The base was 8,000ft above sea level, huge snowbanks dotting the landscape even in mid August.