shíyàn / jiéshù / hòu / xuéshēng / yào / ànzhào / guīdìng / cāxǐ / qìcái / bìng / bǎ / tāmen / fànghuí / yuánchù

实验结束后，学生要按照规定擦洗器材，并把它们放回原处。

After the experiment, the students must clean the equipment according to the regulations and put it back in its original place.