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
They gave a banquet in honor of the delegation.
他们设宴招待代表团。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
What are you doing?
你在干什么？