New Words：

research [ˈriˌsɜrtʃ]
n.研究, 调查
v.研究, 调查

Sample Sentences：

When he left I carried on his research.
He needs to research about the coffee market.
It is important to keep in touch with the latest research.
I've done some research to find out the cheapest way of travelling there.

New Words：

biology [bai'ɔlədʒi] n. 生物学
biologist [bai'ɔlədʒist] n. 生物学家
biological [.baiə'lɔdʒikəl] adj. 生物的；生物学的

Sample Sentences：

Mary is a biologist. She studies biology.
Man is in the highest link of the biological chain.
We do interesting experiments in the Biology classes.
He studied chemistry and then switched to biology.

research [ˈriˌsɜrtʃ]
n.研究, 调查
v.研究, 调查

New Words：

laboratory [ˈlæbrəˌtɔri] n. 实验室

Sample Sentences：

The school has a large biological laboratory.
The students will have an experiment in the laboratory tomorrow.
Our professor usually works in the laboratory doing his research.

biological [.baiə'lɔdʒikəl] adj. 生物的；生物学的
research [ˈriˌsɜrtʃ]
n.研究, 调查
v.研究, 调查

New Words：

knock [nɔk]
v.敲；撞；击；打
n.撞击；敲击；敲击声；敲门

Sample Sentences：

Someone is knocking at the door.
The falling bottle knocked him on the head.
The two rooms had been knocked into one (= the wall between them had been knocked down) .

Did you hear the knocks at the door?
When I fell I got a terrible knock on the head.

New Words：

ladle ['leidl]
v.以杓舀取
n.杓子；长柄杓；汤勺

pudding ['pudiŋ] n. 布丁

Sample Sentences：

She ladled cream over her pudding.
She dipped up soup from the pot with a ladle.
We need a larger spoon to ladle the soup out of the pan.
She was tasting the pudding to see if it was sweet enough.