Homotopy
[计] 同伦
🗣️ 情景例句
Because my birthday is tomorrow.
因为明天是我的生日。
Half a loaf is better then no bread.
半块面包亦胜无。
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。