Pyrogenesis
热的产生
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
We need skilled electricians.
我们需要有技术的电工。
We'll sign two originals, each in Chinese and English language.
我们将要用中文和英语分别签署两份原件。