Causa
[法] 理由, 原因, 条件
🗣️ 情景例句
What's the food like in China?
中国的食物口味怎么样？
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
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。