1. quadrilateral /ˌkwɔdrəˈlætərəl/

-- plane figure having four sides and four angles

A square is a quadrilateral.

正方形是四边形的一种。

 

 

2. collateral /kəˈlætərəl/

-- situated at the side; accompanying; parallel; additional; supplementary

After voting for the road building program, the legislature took up the collateral issue of how to raise the necessary funds.

道路建筑计划投票通过后，议会继续讨论如何筹措所需资金的附带事项。

 

 

3. equilateral /ˌi:kwəˈlætərəl/

-- having all sides equal

If one side of an equilateral triangle measures three feet, the other two must also be three feet each.

如果等边三角形的一边是三英尺长，那么其他两边也一定是三英尺长。

 

 

4. lateral /ˈlætərəl/

-- of or pertaining to the side

The building plan shows both a front and a lateral view of the proposed structure.

建筑设计图显示出计划中建筑物的正面与侧面图。

 

 

5. multilateral /ˌmʌltɪˈlætərəl/

-- having many sides

A mother has to be a nurse, housekeeper, shopper, cook, teacher, etc. She plays a multilateral role.

母亲扮演着一个多边的角色，她必须充当护士、主妇、购物者、厨师、老师等等。

 

 

6. unilateral /ˌju:nəˈlætərəl/

-- one-sided; undertaken by one side only

Don't judge the matter by my opponent's unilateral statement.

不要只听我对手的片面之词就评判那件事。