[das] 回

reverse current, back current, backwash, back stream, return flow
[das] 以橹


的水。浪涛。逆

。


。
backwash
[der]
① 回

。逆

return flow, backwash, back stream
②

向电

。逆

。回

。 back current, return current, reverse current
③ 再带走,再曳行 re-entrainment
[die]


,回

back stream, reflow, return flow, backlayering, backflow, reverse flow, backwash