Andro
n. 穿心莲内酯（中药成分）；雄烯二酮
🗣️ 情景例句
Richard showed me your photo.
Richard给我看了你的照片。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。