It also has a quick word look-up function, for referencing unknown words.

它还具有快速单词的查找功能，用于引用未知的话。

youdao

C function, summed up the look, you can check book as a tool.

的函数，总结了一下，可以作为工具书查。

youdao

C function, summed up the look, you can check book as a tool.

的函数，总结了一下，可以作为工具书查。

youdao