举例英语的前缀,后缀,(中文意思)并给出单词答:81) tract, trail, 含义是“拖拉,吸引” attract, tractor, abstract, contract(收缩) 82) tribut, 含义是“给予” contribution, distribute 83) us, ut, 含义是“用,使用” usable, utilize, abuse 84) vac, van, 含义是“空,虚” vacancy, vanity, evacuate(清空) 85) vad, vas, wad, 含义是“走...