PDF文件中英文字体有加粗、斜杠、颜色变成乱码或者翻译错误

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Environment

- OS:
- Python:
- BabelDOC:沉浸式翻译版本

Describe the bug

在翻译的PDF文件中，如果英文的字体发生了变化或者字体有加粗、斜杠、有颜色的情况会导致翻译变成乱码或者翻译错误

Steps to Reproduce

直接用我提供的PDF进行翻译即可

Expected Behavior

能够正确识别并正确翻译

Relevant Log Output or Screenshots

Original PDF File

LO060_EN_46C_FV.pdf

Additional Context

No response