Riprapping
抛石
🗣️ 情景例句
We'll live in New York.
我们会住在 New York。
I wondered if you could buy me some pencils?
我不知道你是否能替我买铅笔？
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。