Grin from ear to ear 笑开了花，咧嘴大笑

Go way back with someone 与某人相识已久 Episode 200512 / 12 May 2020 Learn a useful phrase to say that you have known someone for a ...
China.org.cn

Economic Watch: Digital technologies enabling China's shift toward smart manufacturing

XI'AN, July 21 (Xinhua) -- Molten glass, glowing with intense heat, cascades down the pipeline. Guided by a fully automated production line, it is continuously processed into ultra-thin, smooth substr ...