Timelike vector
[化] 类时矢量
🧩 词语组成解析
[化] 类时
🗣️ 情景例句
Excuse me, May I have everyone's attention, please?
对不起，请大家听我说。
During the two years since I took charge of the department.
在我负责这个部门的两年中。
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。