[das]


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


的水。浪涛。


。

响。
backwash
[der]
①


。


return flow, backwash, back stream
②

向电

。


。


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


,


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