v. 延伸；扩充；继承（extend的第三人称单数形式）

v extend in scope or range or area

v stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point

v span an interval of distance, space or time

v make available; provide

v thrust or extend out

v reach outward in space

v offer verbally

v extend one's limbs or muscles, or the entire body

v expand the influence of

v lengthen in time; cause to be or last longer

v extend or stretch out to a greater or the full length

v cause to move at full gallop

v open or straighten out; unbend

v use to the utmost; exert vigorously or to full capacity

v prolong the time allowed for payment of

v continue or extend

v increase in quantity or bulk by adding a cheaper substance