[化] 回流
This equipment can make water flow back, thus reducing waste. 这个设备可以使水回游，减少浪费。
HTTP protocol, on which the WWW is based, allows specific information to flow back from the user to the web-site. HTTP协议,万维网根据,允许具体信息流动从这名用户到这个网站。
Header at all - in other words, the response must flow back in the HTTP response message. 头换句话说,响应必须在HTTP响应消息中流回。
The weight of ventricular blood forces up the cusps of the tricuspid. valve, so that blood cannot flow back. 心室内血液的压力把三尖瓣的各尖瓣举向上方，使血液不能逆流。
If time could flow back, I would tell him that we would not sell the cart unless he three times the price! 如果能倒回刚才的情景，我想这样做：告诉老外，除非他出三倍的价钱，否则这个购物车不卖了！
