Though most of the ice “will disappear during summer,” much of it will re-freeze in the winter.
虽然大部分的冰盖“在夏天会消失，”但到了冬天又会重新冻结。
2
Fresh snow can melt and re-freeze within the snow pack and it's this change of structure that can lead to an avalanche.
新下的雪可以在积雪中融化再凝固，这种结构上的变化会引起雪崩。
3
If foods defrost on the way Home and you re-freeze them in a domestic freezer, large ice crystals will form and can rupture cell membranes in the food allowing nutrients to escape.