Arithmetics
(arithmetic 的复数) n. 算术, 算术知识\\n[机] 算术; 算术的
🗣️ 情景例句
Hunger is the best sauce.
饥饿是最好的调味品。
If she could help you, she would help you.
如果她能帮你，她一定会的。[虚拟语气]
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。