New Words：
precious [ˈpreʃəs] adj. 珍奇的；珍稀的；宝贵的；珍贵的
Sample Sentences：
Don't waste your precious life in doubts and fears.
The crown was set with precious jewels─diamonds, rubies and emeralds.
jewel [ˈdʒuːəl] n. 宝石；珠宝
diamond [ˈdaɪəmənd] n. 钻石；金刚石
ruby [ˈrubi] n. 红宝石；深红色
emerald [ˈemərəld] n. 翡翠；祖母绿；绿宝石；翡翠绿
jewelry [ˈdʒuːəlri] [美] n. 珠宝；首饰；珠宝饰品
jewellery [ˈdʒuːəlri] [英] n. 珠宝；首饰；珠宝饰品
New Words：
cushion [ˈkʊʃn]
n.靠垫；软垫；坐垫；
v.缓和冲击；缓和打击；（用垫子）使柔和
Sample Sentences：
I found it between the sofa cushions.
He lay on the floor with a cushion under his head.
The chairs are cushioned.
Please cushion your voice.
Nothing can cushion us against the fear of death.
New Words：
pity [ˈpɪti]
v.怜悯；可怜；同情
n.怜悯；同情；遗憾
Sample Sentences：
I don't know whether to hate or pity him.
I pity her having to work such long hours.
It's a pity that you can't stay longer.
What a great pity that you can not go with us!
New Words：
groan [ɡroʊn]
v.呻吟；叹息
n.呻吟声；叹息声
Sample Sentences：
He closed his eyes and groaned.
The dying soldier was groaning with pain.
He fell to the floor with a groan.
The old chair gave a groan when the fat man sat down on it.
New Words：
deserve [dɪˈzɜːrv] v. 值得；应得；应受
Sample Sentences：
He doesn't deserve to be your friend.
You deserve a rest after all that hard work.
Everybody deserves the right to have a gun.
Their beautiful city did not deserve to be destroyed in this way.