Cubics
三次曲线
🗣️ 情景例句
I'd like to ask for your daughter's hand in marriage.
我希望你能把女儿许配给我。
The data confirm that this product is safe and effective.
数据证实此种产品安全有效。
The weather gets warmer, and the days get longer.
天气渐暖，白天渐渐变长。