Sigmate
a. Σ形的, S形的
🗣️ 情景例句
How do you do?
你好。
The cow that's first up gets the first of the dew.
早起母牛先得露。
Then he gets out of the lift and climbs up to the fifteenth floor on foot.
接着他走出电梯并徒步登上第15层。