Technological change
[经] 工艺(技术)演变
🧩 词语组成解析
change
[tʃeindʒ]
vt. 改变，变更;交换，替换;兑换;换衣服（床单）;
vi. 改变，转变;交换，互换;换衣，更衣;
n. 变化，改变;交换，交替;零钱，找头;代替物;
🗣️ 情景例句
We had a unique experience here.
我们在这里获得了宝贵的经验。
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。