Handtrap
手掷靶装置
🗣️ 情景例句
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
Your niece is engaged,isn't she?
你的侄女订婚了，是吗？
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。