Differentiations
(differentiation 的复数) n. 区别, 分化, 变异\\n[医] 鉴别, 区别, 分化[作用], 微分法
🗣️ 情景例句
It's not easy,
实在不容易。
You cannot make a crab walk straight.
江山易改，本性难移。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。