总是的单词为：always。词组是all the time一直。

always：adv.总是;每次都是;一直;一贯;(将)永远；

all the time：一直;一直;始终。

When it comes to the point, he always changes his mind.

他总是临时变卦。

Price is not always an accurate marker of quality.

价格并不总是质量的准确标志。

She was fully conscious all the time and knew what was going on.

她一直都很清醒，知道是怎么回事。