Pycnotrope
密蛇蚊石
🗣️ 情景例句
6:00 sharp, please.
请6点整叫我。
Are you crazy?
你疯了吗？
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。