Magnesioferrite
镁铁矿
🗣️ 情景例句
in Los Angeles.
在Los Angeles。
Do no through fear of poverty surrender liberty.
不要因为怕贫苦而放弃自由。
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，