Coronagraph
n. 日冕仪
🗣️ 情景例句
Absolutely right, Frank.
完全正确 ，Frank。
What kind of climate do you have?Is it humid?
你们那里的天气怎么样？它是潮湿的吗？
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。