我没有把它们放在心上，但是热蒸汽以及充满气泡的蒸汽在懒惰的幻想的漩涡周围发着泡和打着旋，毫无目的，也没意义。
My mind had nothing in it but hot vapour, and vapour-filled bubbles frothed and eddied round a vortex of lazy fancy, aimless and unmeaning.
气泡发生器是微泡浮选的关键。
The bubble generator is the key equipment of microbubble floatation.
泡叶藻为什么长着气泡？
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