Sigmic
a. ∑粒子的, 含∑粒子的
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
Keep it down!
别闹了！
Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10.
那人激动地打着手势，仿佛我的出价使他不能容忍。但他终于把价钱降到了10英镑。