New Words：
mark [mɑːrk]
n.记号, 痕迹, 分数, 污渍, 斑点
v.弄污,打分, 留意, 做标记, 留下痕迹
Sample Sentences：
Prices are marked on the goods.
I marked that down in my notebook.
The box of eggs was marked "With Care".
The teacher marked the examination papers.
I got full marks in the spelling test.
The wet glass left a mark on the surface of the table.
The children left dirty marks all over the kitchen floor.
You'd better make a mark where you have any questions.
surface [ˈsɜːrfɪs] n. 表面；地面；表层；水面
New Words：
technology [tek'nɔlədʒi] n. 技术；科技；工艺
Sample Sentences：
We are proud of our new technology.
How can Hong Kong stay ahead of technology?
This country leads the way in space technology.
New Words：
latest [ˈleɪtɪst]
n.最新消息；最新事物
adj.最新的；最近的；最后的
形容词late的最高级形式
Sample Sentences：
Have you read her latest book?
This is the latest in robot technology.
We want to introduce the latest technology to the public.
technology [tek'nɔlədʒi] n. 技术;科技;工艺
New Words：
service [ˈsɜːrvɪs]
n.服务；使用；维修
v.维修；维护；检修；保养
Sample Sentences：
We need to have the car serviced.
You may need the services of a lawyer.
The food was good but the service was very slow.
New Words：
standard [ˈstændərd]
adj.普通的；正常的；通常的；标准的
n.规范；正常的水平；应达到的标准；行为标准
Sample Sentences：
The teacher sets high standard for his pupils.
Her latest book isn't up to her usual standard.
His work does not reach the standard required.
You'd better lower your standards if you want to find somewhere cheap to live.