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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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.

youdao