单向电流 dān xiàng diàn liú

DEFINITIONS

  1. (elec.) unidirectional current
  2. DC
  3. also written 直流[zhi2 liu2]

CHARACTERS

单 dān
HSK 3
single, individual, only; lone
向 xiàng
HSK 3
toward, direction, trend
电 diàn
HSK 1
electricity; electric; lightning
流 liú
HSK 4
flow, circulate, drift; class