drain outlet

例句：

1. 1.The sewage is being discharged fromthe drain outlet.
   污水正在从排水口排放。
2. 2. The construction crew had to clear thedrain outlet before they could start work.
   施工队在开始工作之前必须清理排水口。
3. 3. The city has installed several new drainoutlets to improve its water management system.
   该市已安装了几个新的排水口以改善其水管理系统。