Sigmic
a. ∑粒子的, 含∑粒子的
🗣️ 情景例句
one of the most important syndicated reviewers in the country.
我国最重要的报团评论家之一。
That's not my area, but I'll get an answer for you.
那不是我的范围，但我会为你找出答案。
The ones in this corner are cutting machines.
在这个角落的机器是切削机。