您要查找的是不是：
- He came to look at the drainage. 他是来检查排水设备的。
- The drainage system has been aged. 排水系统已经老化了。
- That was antecedent to this event. 那是在这件事之前。
- antecedent drainage 先成水系
- The word "man" is the antecedent of "who" in "the man who spoke". "man"这个字是"the man who spoke"中"who"的先行词。
- The drainage of the town is not good, some of the pipes are broken. 城里的排水系统不好,有些水管断裂了。
- That was antecedent to his resignation. 那是在他辞职之前。
- Something out mind always has antecedent. 意想不到的事情总是有其前因的。
- The antecedent of a conditional statement. 一个条件句前提
- This is an antecedent of the war. 这是战争的前因。
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- The relation of consequent to antecedent;deduction. 推理前后因果关系；推理
- Did you notice any sign antecedent to the accident? 这事故之前，你注意到什么迹象了吗?
- The town's drainage is very efficient. 这城市的排水系统很好。
- The antecedent is evident in the case of the form. 但我们还是提供一个证明。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
- Those were events antecedent to the revolution. 这些都是革命前的事了。
- Is there adequate drainage where needed? 需要排水的地方其排能是否足够?
- The decision not to invite Joe was antecedent to his illness . 不邀请乔的决定是在他生病之前决定的。
- Pancreatic abscess obviously requires drainage. 胰腺脓肿显然需要引流。
