Headwaters
n. 源头, 上游
✅ 同义词
🗣️ 情景例句
Young drivers are more likely to be involved in an accident.
年轻驾驶员更容易出事。
How much is a call to the United states?
打一个电话到美国去需要多少钱？
I'm not hungry. I'm full!
我不饿。我饱了！