Cofunction
n. 余函数
🗣️ 情景例句
Road rage is an increasing problem on today's roads.
现在飚车事件日益严重。
A good heart cant's lie.
有仁心者不说谎话。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。