有些海藻有空心气囊，使叶状体浮在水面。
Some seaweeds have hollow, gas-filled floats that keep their fronds at the surface of the water.
GUS基因在坛紫菜叶状体体细胞内的瞬时表达；
GUS gene transient expression within the P. haitanensis thallus somatic cells;
石莼科的模式属；绿色海藻具有两个细胞厚度的叶状体；海莴苣。
Type genus of the family ulvaceae; green seaweed having a thallus two cells thick: sea lettuce.
一种石莼属的绿色海藻，有膜状叶形的不规则的叶状体，经常用在沙拉中。
Any of several green algae of the genus Ulva, having a membranous leaflike, irregularly shaped thallus sometimes used in salads.
一种石莼属的绿色海藻，有膜状叶形的不规则的叶状体，经常用在沙拉中。
Any of several green algae of the genus Ulva, having a membranous leaflike, irregularly shaped thallus sometimes used in salads.
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