2. There was a "spring in my step" and when I arrived, a smile of joy and contentment was
bubbling up from within!
我的步伐似乎也轻快起来,当我回到家时,我脸上浮起了微笑,这微笑源自内心的喜悦和满足。
3. Carbonation process of interval
bubbling carbonation method to produce super-fine calcium carbonate is a four phases slurry reaction process.
间歇鼓泡碳化法生产超细碳酸钙的碳化过程是一个四相浆态反应过程。