wèi / le / ān / quán / guān / cè / quán / shí / dà / jiā / dōu / dài / shàng / le / zhuān / yòng / yǎn / jìng

为了安全观测全蚀，大家都戴上了专用眼镜。

To observe the total eclipse safely, everyone put on special glasses.