如果森林干旱到一定的程度，夹杂着空气的水就会从导管进入植物内部——这就像燃油管里的气泡一样——植物会因此而死。
If the forest gets dry enough, air can get into the vessels that carry water through a tree - kind of like an air bubble in a fuel line - and a tree dies.
夹杂在油液中的空气由细小气泡组成，悬浮在油液中。
Entrained air in oil is comprised of tiny air bubbles suspended in the oil.
金属涂层。 气孔，夹杂， 气泡与裂纹。定义。
Metallic coatings ; pores, inclusions, blisters and cracks, definitions.
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