Correct 逆电流 / nì diànliú / Strokes Example As a Noun counter-current; reverse current 1 Nì 逆 diàn liú 电流 jì diàn qì 继电器 Copy Pinyin Sentence reverse-current relay 2 Nì 逆 diàn liú 电流 bǎo hù 保护 Copy Pinyin Sentence reverse-current protection