one of a series of thin flat pieces of wood, metal or plastic, used in furniture, fences, etc. （家具、栅栏等上的）板条，窄条，横档 
a gate made of wooden slats 由木板条制成的大门 the slats of the venetian blinds 威尼斯百叶窗的板条
- (specialist)
a part of the wing of an aircraft, on the front of the wing, that can be moved up or down to control movement in either direction 前缘缝翼（机翼前缘的一部分，可使其上下移动来控制飞机的升降） 
Word Originlate Middle English (in the sense ‘roofing slate’): shortening of Old French esclat ‘splinter’, from esclater ‘to split’. The current sense dates from the mid 18th cent.