Chalaco
[动]斑点睡虾虎鱼
🗣️ 情景例句
I always worry.
我一向担心。
She is hard to please.
她很难取悦。
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。