extension

extension

[iks'tenʃən]

n.延长, 伸展, 延期, 扩充, 观念发展, 增强
n.电话分机, 特别课程
n.[计]文件名

例句与用法：

There are telephone extensions in every office.

每间办公室都有电话分机。

She has an extension in the kitchen and in the bedroom.

她的厨房和卧室都有电话分机。

He asked for an extension of his visa.

他申请延长签证有效期。

He built an extension onto his house.

他给自己的住宅扩建了一部分。

词形变化：

形容词: extensional |

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n.

1. 伸展; 伸长; 扩大[U][(+of)]

the extension of our foreign trade

扩大我们的对外贸易

2. 延长; 延期; 缓期[U][C]

We had hoped for the extension of the deadline to the end of the week.

我们曾希望把最后期限延至周末。

3. 延长部分; 扩大部分; 增设部分[C]

We built an extension to our house.

我们扩建了我家的房屋。

4. 电话分机[C]