Badra
n. (Badra)人名；(阿拉伯、葡)巴德拉
🗣️ 情景例句
Sounds great.
听起来不错。
Can anybody scratch my back for me?
有人来替我搔背吗？
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。