Question

extend v.延展，延长 extend (v.) early 14c., "to value, assess;" late 14c. "to stretch out, lengthen," from Anglo-French estendre (late 13c.), Old French estendre "stretch out, extend, increase," from Latin extendere "stretch out," from ex- "out" (see ex-) + tendere "to stretch" (see tenet). Related: Extended; extending. 【记】ex 出 + tend 延伸，延伸出去，延长；intend 想要，伸手想要，dis 向四周 + tend 拉【相关】tend 趋向,照管，attend 参加，contend 竞争，distend 扩大，扩张，extend 延伸，扩张，intend 打算，pretend 假装，protend (向前拉)伸出，伸展

Accepted Answer

[iks'tend] 【英】 v. 延展,延长(make sth longer or larger);舒展(肢体)(stretch out the body or a limb at full length)【考】 反义词：abbreviate( 缩短)【记】 ex(出)+tend(伸展) →伸出去→扩张【同】 派生词: extension (n. 伸长,延展,提供) v. 延展, 延长(肢体等到较大程度或最大长度); 充分发挥(能力); 扩大(影响、面积或区域)【记】ex出, tend伸－伸出－延长; 扩大【参】extension(n 延长; 范围)【反】abbreviate(v 缩写; 缩短)

单词	extend
音标	[iks'tend]
解释	v.延展，延长
红宝书	【英】 v. 延展,延长(make sth longer or larger);舒展(肢体)(stretch out the body or a limb at full length) 【考】反义词：abbreviate( 缩短) 【记】 ex(出)+tend(伸展) →伸出去→扩张【同】派生词: extension (n. 伸长,延展,提供)
字源	extend (v.) early 14c., "to value, assess;" late 14c. "to stretch out, lengthen," from Anglo-French estendre (late 13c.), Old French estendre "stretch out, extend, increase," from Latin extendere "stretch out," from ex- "out" (see ex-) + tendere "to stretch" (see tenet). Related: Extended; extending.
不择手段背单词	v. 延展, 延长(肢体等到较大程度或最大长度); 充分发挥(能力); 扩大(影响、面积或区域) 【记】ex出, tend伸－伸出－延长; 扩大【参】extension(n 延长; 范围) 【反】abbreviate(v 缩写; 缩短)
趣味全助记	【记】ex 出 + tend 延伸，延伸出去，延长；intend 想要，伸手想要，dis 向四周 + tend 拉【相关】tend 趋向,照管，attend 参加，contend 竞争，distend 扩大，扩张，extend 延伸，扩张，intend 打算，pretend 假装，protend (向前拉)伸出，伸展

Extend V 缩短 Estendre Stretch Tend Iks'tend V.延展，延长