Bananas turn brown when they 're cold , yet frozen food mustn 't melt .

低温下，香蕉会变成棕色，冷冻食品则必须确保不会融化。

This could melt the plagioclase and reset its age .

这就可能把斜长石融化和重新复位它的年龄。

Continental ice will continue to melt .

南极大陆的冰川将持续消融。

Natural pearls will melt in vinegar .

天然珍珠在醋酸中会溶解。

The bulb itself is rotated quickly by a motor to cool it-otherwise it would melt .

灯泡本身则在一个发动机的带动下快速旋转以冷却否则灯泡就会熔化。