Extension
[ ɪk'stɛnʃən ]
第3级
其它 Other
n. 伸展，扩大;延长，延期;[医]牵引;电话分机;
💡 词根助记
exten=extend伸展；扩大+sion表名词 →延展，扩张；延期
📝 例句
Flower initiation is often associated with a reduction in shoot extension.
花的孕育通常与抑制枝梢的生长有关。
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。
the extension of our foreign trade
扩大我们的对外贸易
His fantasies found extension in reality.
他的幻想可以在现实中延伸。
An extension of the spindle shaft drives a counter for totalizing discharge.
心轴的延长部分带动一个累计流量的计量器。
✅ 同义词
🔴 反义词
🔤 词根
-tend-表示“延伸”
常见变体有-tent-、-tens-
📖 牛津释义
extension
n
1 [U] process or action of extending (extend 1,2,3); state of being extended 伸长; 延长; 延展; 伸展; 提供; 给予
The extension of the garden will take several weeks. 扩建花园需要几个星期.
the extension of scientific knowledge 科学知识的普及
the extension of a warm welcome 给予热烈的欢迎.
2 [C]
(a) ~ (to sth) added part; addition; enlargement 增加的部分; 增加; 扩大
build an extension to a hospital 扩建一医院
Our extension is nearly finished. 我们的扩建部分已接近完工.
(b) ~ (of sth) additional period of time 增加的一段时间; 延长期
an extension of one's summer holidays 暑假的延长
get an extension (of time), eg for paying a debt 获得延期（如偿债的宽限期）
He's got an extension to finish writing his thesis. 他获准延期交论文.
3 [C] telephone line leading from the main phone or switchboard to another room or office in a (large) building; its number 电话分机; 分机号码
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.
`Extension 326, please.' ｀请接326号分机.＇
4 [U] (medical or fml 医或文)
(a) action of stretching out a limb or finger （四肢或手指的）伸展
Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的.
(b) its position when stretched out 伸展开的姿势
The leg is now at full extension. 现在腿已伸直.
🎯 考研助记
后缀:sion (名词字尾)表示行为,行为的过程及结果
🔁 扩展释义
*[ik'stenʃәn]n. 延长, 扩充, 范围, 扩展名a. 伸缩的【计】 扩展名, 扩充名【化】 伸长【经】 延期
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？
I've got an idea.
我有个办法。
Well, for example, you can have a cold, but first you have to catch a cold.
哦，例如，你可能“患感冒”，但你首先得“伤风”。