OG SC-Q208

[ying]

[size=18]OG SC-Q208
Teratomas are unusual forms of cancer in that they are composed of tissues such as tooth and bone, tissue not normally found in the organ in which the tumor appears.[/size]

請問逗號後面是一個獨立的句子嗎

如果是獨立的句子不就變成流水句

[cocaine]

不是獨立子句..
是同位語得功能.就是在解釋前面tissue的意義

[Behemoth]

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http://www.formosamba.com/phpBB3/viewtopic.php?t=157