Js
abbr. 射流研究
🗣️ 情景例句
Dad.
爸爸。
Yes. And while I think of it, please ask when you want to borrow my records/CDs.
是的。还有，随便想起一件事，要是你想借用我的唱片，请先问一声。
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。