The dinosaur became extinct before the appearance of man.

　　恐龍在人類出現以前就滅絕了。

　　These could only have been made after the dinosaur was dead.

　　這些深層牙印只有等恐龍死了時候才有可能被留下。

　　You will be the first one to see dinosaur live in China!

　　你將是第一個在中國見到活恐龍的現場觀眾！

　　They see different kinds of dinosaur models there.

　　他們在那兒看到不同種類的恐龍模型。

　　Wouldn't you like to have a dinosaur book like that?

　　你不想要一本這樣的恐龍書嗎？