He nodded, and then went back to his book.

他点点头，又一头载入他的书里。

youdao

"I know," he nodded, and he sat back on his stool and smiled at me. "Yes, I know."

我知道，“他点了点头，然后，坐回凳子上，微笑着对我说道：”是的，我知道。

youdao

"I know," he nodded, and he sat back on his stool and smiled at me. "Yes, I know."

我知道，“他点了点头，然后，坐回凳子上，微笑着对我说道：”是的，我知道。

youdao