It has a hat because it's a unit vector, and t because it's tangent.

这上面有一个帽子表示它是单位矢量，T表示它是切线。

youdao

Henry Ford's "Model T", introduced in America in 1909, was cheaper because it was made on the assembly line.

亨利·福特1909年在美国推出的“T型车”更便宜，因为它是在流水线上生产的。

youdao

"T" is "treat your body well", because experts say that exercise can reduce stress and also if you eat healthy food, then your brain and your body get the nourishment they need.

“T”是“善待你的身体”，因为专家说锻炼可以减轻压力，而且如果你吃健康的食物，你的大脑和身体就能吸收所需的营养。

youdao

And one day you want to go to the cemetery or something, you can't do it because you don't know where they are.

VOA: special.2010.02.01

And that description, which I won't read just because we're running out of time, it's on 181 and 182.

那个描写，我不会给你们读了,因为时间已经没了那是在181和182页。

耶鲁公开课 - 1945年后的美国小说课程节选

Because most of the people there didn't really need it because they have cars, or they just take taxis.

因为那里的大多数人并不真正需要它，因为他们自己有车，或者会直接打车。

上东区的氛围 - SpeakingMax英语口语达人

Lucky for Grant it wasn't because he would have been turning out empty pockets on this grim evidence.

BBC: Ramos takes centre stage

He just played a poor shot - it wasn't because of technique, it was more his mental application.

BBC: Jonathan Agnew column

He tried to cross the river but couldn't because it was too large.

BBC: The Great Escape