Subcarbonaceous
近碳质的
🗣️ 情景例句
Well, it's a very easy operation, Carl.
这是个很简单的手术 Carl。
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,
假如有如此高级文明生命访问了我们的太阳系，