Awwa
abbr. 美国自来水厂协会（American Water Works Association）
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
You may know the horse by his harness.
欲知马如何，可看套马索。
I'll leave a message on his desk.
我将把留言条放在他的桌子上。