Pernetti
支托痕, 支托架
🗣️ 情景例句
Don't move! Get down on the floor.
别动！趴到地上！
How are you feeling today?
今天你觉得如何？
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。