Sigmate
a. Σ形的, S形的
🗣️ 情景例句
on the farm.
在农场。
Do you know the boy whose aunt is an artist?
你知道那男孩的姑妈是艺术家?
The last lap! Wu Peng from Class 1 and Lin Tao from Class 3 were still neck and neck.
最后一圈！1班的吴鹏和3班的林涛仍然是并驾齐驱。