crude
/kru:d; krud/ adj (-r, -st)
1 [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.
2
(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.