dinosaur是单数还是复数

是单数，复数形式是dinosaurs，中文意思是n. [古生]恐龙（dinosaur 的复数形式）恐龙类

It has been suggested that mammals took over from dinosaurs 65 million years ago.

有人提出哺乳动物是在6 500万年前取代恐龙的。

Recent， more dramatic use of CGI was seen in "Walking With Dinosaurs."

dinosaur是单数还是复数

是单数，复数是dinosaursn. 恐龙过时、落伍的人或事物

I went to the museum last week and saw the dinosaurfossils.

上周我去博物馆看到了恐龙化石。

Then a dinosaur appeared.

然后一只恐龙出现了。

We'll find Mr. Dinosaur.

我们会找到恐龙先生的。

Who Named the Dinosaur?

Some dinosaurs had only rudimentary teeth.

有些恐龙只有未充分长成的牙齿。