(crude 的复数) a. 天然的, 未成熟的, 粗糙的, 粗鲁的

n. 天然的物质

plural of crude

s. not carefully or expertly made

s. conspicuously and tastelessly indecent

s. belonging to an early stage of technical development; characterized by simplicity and (often) crudeness

s. not processed or subjected to analysis