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流す， ながす
1. to drain, to pour, to run, to let flow, to flush, to shed (blood, tears), to spill
2. to float (e.g. logs down a river), to set adrift
3. to wash away, to carry away, to sweep away
4. to broadcast, to play (e.g. music over a loudspeaker), to send ...
排出、倾倒、流淌、让……流下、冲洗、流出(血液、泪水)、溢出；冲走；使……漂浮，使……随波逐流；进行广播、播放(例如通过扬声器播放音乐)、发送(通过电线传输电能)