[usu attrib 通常作定语] in the natural state; unrefined 天然的; 未提炼的: crude oil, sugar, ore, etc 原油﹑ 粗糖﹑ 原矿. 
(a) not well finished; not completely worked out; rough 粗陋的; 未完成的; 粗糙的: a crude sketch, method, approximation 粗略的草图﹑ 方法﹑ 估计 * His paintings are rather crude, ie not skilfully done. 他画的画还不够成熟. * I made my own crude garden furniture. 我给我那园子做了一套简陋的家具. (b) not showing taste or refinement; coarse 粗俗的; 粗鲁的: crude manners 粗鲁的举止 * He made some crude (ie sexually offensive) jokes. 他说了一些粗俗的（淫秽的）笑话.> crudely adv: crudely assembled 粗略地汇集起来的 * express oneself crudely 粗略地说说自己的看法.
crudity / 5kru:dItI; `krudEtI/ n [U]
1 state or quality of being crude (2a) 粗陋; 粗糙; 欠成熟: the crudity of his drawing 他画的画不够成熟.
2 crude(2b) behaviour, remarks, etc 粗俗或粗鲁的行为﹑ 词语等: I'd never met such crudity before. 我从未见过这样粗鲁的行径.