shí / yàn / rén / yuán / chuān / dài / hǎo / fáng / hù / zhuāng / bèi / hòu / cái / kāi / shǐ / chǔ / lǐ / bái / lín

实验人员穿戴好防护装备后，才开始处理白磷。

The laboratory staff put on protective equipment before handling white phosphorus.