对这两个系统来说，一群或一串气泡都可以合并成较大的气泡。
For both systems a cloud or train of bubbles may coalesce to give larger bubbles .
她把这块海绵放进了齐腰深的海水中，注视着海绵伸展开，一串串气泡从海绵里释放出来，她看到了生命的神奇魔力。
She carried the hardened sponge to the seaand, up to her waist in the deep, she watched it unfold and come to life in thewater.
她把这块海绵放进了齐腰深的海水中，注视着海绵伸展开，一串串气泡从海绵里释放出来，她看到了生命的神奇魔力。
She carried the hardened sponge to the seaand, up to her waist in the deep, she watched it unfold and come to life in thewater.
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