Smoothening
vt. 使平滑, 使平和；使平息
🗣️ 情景例句
They came and solved the problem.
他们来了并解决了问题。
What I dream of doing is taking a year off and sailing around the world alone.
我梦想能够休上一年假，自己乘船周游世界。
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。