"I was seriously puzzled by the feather structure we're seeing in this sample," he said.

“我们在这个标本中看到的羽毛结构曾经让我极为困惑，”他说。

youdao

"I was seriously puzzled by the feather structure we're seeing in this sample," he said.

“我们在这个标本中看到的羽毛结构曾经让我极为困惑，”他说。

youdao