Technological innovation
[化] 工艺革新; 技术革新
🧩 词语组成解析
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
The many children of that family used to play together for hours.
那一家的孩子们常常大伙一起玩上几个小时。
Through my hands and fingers, I heard the sounds that one hears on a farm, the noises made by cows, horses, chickens and pigs.
通过手和手指，我听到了人们通常在农场所听到的声音--即牛、马、鸡、猪等叫出的声音。