[Tn] make (sth) longer or larger (in space or time) 使（某物）（在空间或时间上）更大, 更长, 伸长, 延长, 延展: extend a fence, wall, railway, garden 扩建篱笆﹑ 墙﹑ 铁路﹑ 花园 * extend credit, ie prolong the time for payment of a debt 延长信用期限 * Can you extend your visit a few days longer? 你能多停留几天吗? 
[Tn, Tn.pr] lay or stretch out (the body or a limb) at full length 伸展, 舒展（肢体）: The gymnast extended her arms horizontally. 那女子体操运动员双臂平伸. * The bird extended its wings in flight. 那鸟展翅飞翔. * He extended his hand to (ie offered to shake hands with) the new employee. 他主动与新雇员握手. 
[Tn, Dn.n, Dn.pr] ~ sth (to sb) offer or give sth 提供或给予某事物: They extended the Queen a warm welcome. 他们热烈欢迎女王. * extend hospitality, an invitation, a greeting to sb 款待﹑ 邀请﹑ 问候某人 * They extended a warm welcome to her. 他们向她表示热烈欢迎. 
[In/pr] (of space, land, time, etc) reach or stretch; be continuous （指空间﹑ 土地﹑ 时间等）达到, 伸展, 伸延: The road extends for miles and miles. 这条路向远处绵延伸展. * My garden extends as far as the river. 我的花园一直伸展到河边. 
[Tn, Tn.pr] cause (sth) to reach or stretch 使（某物）达到或伸展: extend the ladder 将梯子伸长 * extend a cable between two posts 在两根柱子间拉一条缆绳. 
[Tn esp passive 尤用於被动语态] use or stretch the abilities or powers of (oneself, a person or an animal) to the greatest possible degree 使（自己﹑ 某人或某动物）竭尽全力: Jim didn't really have to extend himself in the examination. 吉姆这次考试大可不必那麽拼命. * The horse was fully extended by the long ride up the mountain. 那匹马长途爬山已用尽力气了.# extended `family family structure (as in parts of Africa) where uncles, aunts and cousins are regarded as close relatives, with an obligation to help and support each other 大家庭（数代同堂的家庭）.