Headwaters
n. 源头, 上游
✅ 同义词
🗣️ 情景例句
Are you all right?
你还好吗？
What will you wear for the party?
晚会上你穿什么？
Some people on the bank called out to the man in the boat, but he did not hear them.
岸上的一些人对着小船上的人高喊，但他没有听见。