Pondweed
n. 水池草
🗣️ 情景例句
Excuse me, do you know...?
打扰一下，你知道...？
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
Good idea.
好主意。