Timelike vector
[化] 类时矢量
🧩 词语组成解析
[化] 类时
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
His bad English is a bar to his getting a job.
他的英语很差，这是他找工作的一个障碍。
Our TV set was broken last week. He mended it for us.
上星期我们的电视机坏了。他为我们修好了。