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单词
extend
英 [?k'stend; ek-] 美[?k'st?nd]
基本信息
  • vt. 延伸;扩大;推广;伸出;给予;使竭尽全力;对…估价
  • vi. 延伸;扩大;伸展;使疏开
IELTSCET4TEM4GRE考研TOEFLCET6中高频词核心词汇

词态变化

第三人称单数:?extends;过去式:?extended;过去分词:?extended;现在分词:?extending;

助记提示

1. ex- "out" + tend-.
2. 含义:stretch out, lengthen.

中文词源

extend 延长

ex-, 向外。-tend, 延伸,词源同tend, tense.

英文词源

extend
extend: [14] Etymologically, to extend something is to ‘stretch it out’. The word comes from Latin extendere, a compound verb formed from the prefix ex- ‘out’ and tendere ‘stretch’ (source of English tend and tension and a wide range of derivatives, including contend, intend, and pretend). English standard derives from its Old French descendant estendre.
=> contend, intend, pretend, standard, tend, tension
extend (v.)
early 14c., "to value, assess," from Anglo-French estendre (late 13c.), Old French estendre "stretch out, extend, increase," transitive and intransitive (Modern French étendre), from Latin extendere "stretch out, spread out; increase, enlarge, prolong, continue," from ex- "out" (see ex-) + tendere "to stretch" (see tenet).

Original sense in English is obsolete. From late 14c. as "lengthen or extend in time," also "straighten" (an arm, wing. etc.). Meaning "make longer and/or broader in space" is from early 15c., as is intransitive sense of "cover an area, have a certain extent in space;" sense of "expand, grow distended" is from 1753. Related: Extended; extending.

双语例句

1. The new territory would extend over one-fifth of Canada's land mass.
这块新领土将会使加拿大陆地面积扩展1/5以上。

来自柯林斯例句

2. This year they have introduced three new products to extend their range.
今年他们发布了3种新产品,以扩大产品范围。

来自柯林斯例句

3. It might be possible to extend the technique to other crop plants.
也许可以将这种技术应用于其他农作物。

来自柯林斯例句

4. The high-speed train service is planned to extend from Paris to Bordeaux.
高铁拟从巴黎延伸至波尔多。

来自柯林斯例句

5. The caves extend for some 18 kilo-metres.
那些洞穴深约18公里。

来自柯林斯例句

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