課本中不會教你的[P]549　precious和previous

549　precious和previous

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?？少F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(jīng)歷嗎，抑或這對你來說是新工作？