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.

New Words：

dip[dip]
v.蘸；浸；(用勺等)舀取
n.游一游；泡一泡

Sample Sentences：

He dipped the brush into the paint bucket.
She dipped up soup from the pot with a ladle.
She dipped her finger in the water to see if it's hot.

It's hot today,shall we go for a dip at the beach?
They have decided to take a dip in the lake before lunch.

ladle ['leidl] n. 杓子；长柄杓；汤勺