听前提示
一、每期提供10个单词，每个单词都会有2-3个例句，方便理解记忆。
二、每个单词和句子都会重复5遍，其中第2遍为慢速，有助于识别。
三、本材料的整体难度较低，可以用来听力磨耳朵和单词查漏补缺。
Day 80
791.
Empty
adj.空的;空洞的，无意义的;v.清空
There are some empty bottles in the box.
盒子里有一些空瓶子。
Please empty the garbage more often.
请更频繁地清空垃圾。
The parking lot is nearly empty.
停车场几乎空无一人。
792.
Enable
v.使能够，使可能；激活，启动；准许，授权
His high salary enabled him to live in comfort.
他的高薪使他生活舒适。
His large income enables him to travel abroad every year.
他的巨额收入使他每年都能出国旅行。
The new equipment enabled us to finish the work in an hour.
新设备使我们能在一小时内完成这项工作。
793.
Encounter
v.遭遇；偶遇n.偶遇；经历；冲突
That was our first encounter.
那是我们第一次相遇。
What should you do if you encounter a bear while hiking?
如果徒步旅行时遇到熊，该怎么办?
794.
Encourage
v.鼓励，激励；鼓动；刺激
You must encourage him to try again.
你必须鼓励他再试一次。
I encouraged him to exercise more often.
我鼓励他多锻炼。
795.
Encouragement
n.鼓励
The teacher's words were a great encouragement to him.
老师的话给他带来了极大的鼓舞。
Thank you for all your support and encouragement.
感谢大家的支持和鼓励。
796.
End
n.最后部分，末尾；结束；v.结束，终止
I need your answer by the end of the day.
归根结底，我需要你的答复。
In the end, they got married.
最后，他们结婚了。
I set a goal to lose 3 kg by the end of the year.
我设定了到年底减掉3公斤的目标。
797.
Ending
n.结尾，结局;终止，终结
Do you like the book's ending?
你喜欢这本书的结局吗？
Not all stories have a happy ending.
并非所有故事都有圆满的结局。
798.
Enemy
n.敌人，反对者；敌国，敌军；大敌，危害物adj.敌人的，敌方的
The enemy attacked from behind.
敌人从后面进攻。
I want to be your ally, not your enemy.
我想成为你的盟友，而不是你的敌人。
799.
Energy
n.能力，力气；精力；能源；能量
We need to develop a new kind of energy.
我们需要开发一种新的能源。
We need to invest in clean, renewable energy.
我们需要投资清洁的可再生能源。
There is an urgent need for clean energy.
迫切需要清洁能源。
800.
Engaged
adj.已订婚的；从事......的 v.雇用，聘请；参加
I told him I was engaged.
我告诉他我订婚了。
He is engaged to my younger sister.
他和我妹妹订婚了。
