1 N-COUNT (房屋的)扩建部分 An extension is a new room or building which is added to an existing building or group of buildings. (房屋的)扩建部分
2 N-COUNT (公路、铁路等的)延长线 An extension is a new section of a road or rail line that is added to an existing road or line. (公路、铁路等的)延长线
3 N-COUNT 展期;延长期 An extension is an extra period of time for which something lasts or is valid, usually as a result of official permission. 展期;延长期
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He first entered Britain on a six-month visa, and was given a further extension of six months. [+ of]
他最初持6个月的签证进入英国,后来又获得6个月的续签。
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Ian Lentern has been granted a three-year extension.
伊恩·伦特恩已经被批准延期3年。
SYN lengthening, extra time, continuation, postponement
4 N-COUNT 扩大;扩展;延伸 Something that is an extension of something else is a development of it that includes or affects more people, things, or activities. 扩大;扩展;延伸
5 N-COUNT 电话分机(亦用书面缩略ext.) An extension is a telephone line that is connected to the switchboard of a company or institution, and that has its own number. The written abbreviation ext. is also used. 电话分机(亦用书面缩略ext.)
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She can get me on extension 308.
她打308分机就能联系到我。
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For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
6 N-COUNT (设备的)延伸部分 An extension is a part which is connected to a piece of equipment in order to make it reach something further away. (设备的)延伸部分
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