drain·age 
(drānĭj)
(drānĭj)n.
1. The action or a method of draining.
2. A system of drains.
3. Something that is drained off.
4. Medicine The removal of fluid or purulent material from a wound or body cavity.
| 单词 | drainage |
| 释义 | drain·age (drānĭj)n. 1. The action or a method of draining. 2. A system of drains. 3. Something that is drained off. 4. Medicine The removal of fluid or purulent material from a wound or body cavity. |
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