difficulty in focusing
难以集中注意力
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Because of the noise outside, Nancy had great difficulty in focusing on her experiment.
因为外面的噪音，Nancy很难集中注意力在实验上。
youdao
The new AF Focus Illuminator is a supplemental light included for those times when auto focus has difficulty focusing in dark places, or in scenes with particularly low contrast.
ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations
应用推荐
模块上移
模块下移
不移动