① precious珍貴的,貴重的。
To me our friendship is a very precious thing. 對我來說,我們之間的友誼是非常可貴的。
He has lost precious working time. 他失去了寶貴的工作時間。
② previous以前的,先前的,先的。
Have you had any previous experience,or is this kind of work new to you?你先前有過這種經歷嗎,抑或這對你來說是新工作?