1. She tried to ingratiate herself with the teacher by offering some precious gifts.
    她试着以珍贵的礼物来讨好她的教师。

2. So that our precious blood may not be shed
    那么我们宝贵的鲜血，就不会白白流淌；

3. Just then, the gaoler appeared with the precious letter in his hands.
    这时狱卒上场，手里拿着那封珍贵的信。

4. In the sunken ship he was trying to find had been carrying a precious cargo of gold bullion.
    他正在设法寻找的沉船里装载着贵重的金条。

5. It was very old and precious even then.
    即使在当时，它也属历史悠久的珍奇之物。