Okavango
奥卡万戈（地名）
🗣️ 情景例句
You've really been keeping an eye on quality.
你们的确在质量上下了功夫!
What time does the train for Boston leaves?
去波士顿的火车几点开？
How are you getting there? By train?
你准备怎样走？坐火车去吗？