1. 流掉;渐渐枯竭：drag on 拖延;使拖延 | drain off 流掉;渐渐枯竭 | drain...of 耗尽;用完
2. 放水[放油,放气]：Drain hose 排水管 | Drain off 放水[放油,放气] | Drain oil 放油孔
3. 渐渐枯竭：drain away 渐渐枯竭 | drain off 渐渐枯竭 | drain 排水沟
4. 排出：drain cock 泄水旋塞 | drain off 排出 | drain pipe 排污管;排水管;泄水管
1. 把（某地的水）排干;使流出;使流向别处
If you drain off a liquid from a place or object, you remove the liquid by causing it to flow somewhere. If a liquid drains off somewhere, it flows there.
e.g. Drain off any remaining water...
把剩下的水排干。
e.g. The ridged design of the pan allows excess fat to drain off.
平底锅的凸纹设计使多余的油能够控出。
1. drain off
1. Rescuers were continuing to drain water off the barrier lake that was formed as the landslide blocked a nearby river.
2. Wash and drain the dried shrimps, picking off odd bits of shell or grit.
3. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
3. Analysts said its latest effort to drain excess liquidity have begun to pay off.