最终，这些囊泡从圆球状变为长丝状，囊泡膜的转变十分迅速，等不及吸收液体保持圆鼓。

They eventually transformed themselves from round balls into long filaments. Their membranes had grown so fast that they couldn’t absorb fluid quickly enough to stay plumped up.

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最终，这些囊泡从圆球状变为长丝状，囊泡膜的转变十分迅速，等不及吸收液体保持圆鼓。

They eventually transformed themselves from round balls into long filaments. Their membranes had grown so fast that they couldn’t absorb fluid quickly enough to stay plumped up.

youdao