Presentations
n. 介绍( presentation的复数形式 ); 报告; 提供; 展示会
🗣️ 情景例句
Nothing much.
没什么。
I didn't like the taste of the medicine,but I took it anyway.
我不喜欢药的味道，但是我拿了它没办法。
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。