名词切削刃; 刀刃; 剪刃
ph.
1. California is on the cutting edge of trends that spread nationwide.
加州走在全国流行的尖端。
noun
1. the sharp cutting side of the blade of a knife
Synonym: knife edge
2. the position of greatest importance or advancement
the leading position in any movement or field
e.g. the Cotswolds were once at the forefront of woollen manufacturing in England
the idea of motion was always to the forefront of his mind and central to his philosophy