Sfw
[医][=shell fragment wound]弹片伤
🗣️ 情景例句
But?
但是什么？
How much flour did you want to use?
你要用多少面粉？
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。