🗣️ 情景例句
And they have lots of clip-on bow ties.
而且他们有许多夹上去的领结。
A bird is known by its note,and a man by his talk.
鸟以声闻，人以言知。
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。