1 sentence

1. 在进行物理实验时，一定要分清电池的阳极和阴极。

   zài jìn​xíng wù​lǐ shí​yàn shí, yī​dìng yào fēn​qīng diàn​chí de yáng​jí hé yīn​jí.

   When conducting physics experiments, it is essential to distinguish between the anode and the cathode of the battery.

   Source: Dong Chinese Dictionary