extends; extended; extending
extends; extended; extending
Learner's definition of EXTEND
1
a [+ object] : to cause (something, such as your arm or leg) to straighten out or to stretch out使（手臂或腿等）伸展，舒展，展开 -
Extend your arms (out) in front of you.把你的手臂（往外）朝前伸直。
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He extended a hand in greeting.他伸出一只手表示问候。
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sitting with both legs fully extended双腿伸直坐着
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The table measures eight feet long when it is fully extended.这张桌子全部展开时有8英尺长。
b [no object] : to become longer or to be able to become longer变长；可变长 2
[no object] : to continue in a specified direction or over a specified distance, space, or time扩展；延伸；延续 -
Their jurisdiction extended over the whole area. [=included the whole area]他们的司法权扩展到了整个地区。
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The woods extend for miles to the west.这片森林向西绵延数英里。
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Their knowledge of the family's history extends back to colonial times.他们对这个家族历史的了解可以上溯到殖民时期。
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Their influence extends well beyond their immediate circle of friends.他们的影响远远超出了朋友的小圈子。
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The organization soon extended [=reached] across the country.这个组织很快扩展到全国。
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His popularity extends from coast to coast.他的知名度横跨全国东西两岸。
3
[no object] : to involve or include a specified person or thing涉及；包括 —
+ to 4
[+ object] : to make (something) longer or greater使延长；使扩大 -
She extended her visit by a couple of weeks.她把访问延长了几个星期。
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measures that might extend [=prolong] the patient's life可延长患者生命的治疗措施
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They scored twice in the third inning to extend [=increase] their lead to 6-0.他们在第三局两次得分，将领先优势扩大到6：0。
5 [+ object]
a : to offer (something, such as an apology) to someone提供，给予，表示（歉意等） —
usually + to b : to make (something) available使得到；使获得 —
usually + to -
The store extends credit only to its regular customers.这家店只给老主顾赊账。
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It was many years before these rights were extended to women.多年以后妇女才获得了这些权利。
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They plan to extend the service to people in rural areas.他们计划把这项服务延伸到农村居民。
extend yourself
: to work hard : to do things that require effort努力；竭尽全力；不遗余力 — extendable
or extendible /ɪkˈstɛndəbəl/ adjective — extender
/ɪkˈstɛndɚ/ noun, plural extenders [count]