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
that I wasn't sure.
我说我不能确定。
His visit was well timed.
他的访问正合时宜。
Fortunately, nothing was found and five hours later we were able to take off again.
幸运的是，什么也没有找到。5个小时后，我们又起飞了。