The spelling bleeding-edge is used for meaning 2. 拼写bleeding-edge用于义项2。
1 N-SING (某一活动领域的)最前沿,最令人兴奋的发展阶段 If you are
at the bleeding edge of a particular field of activity, you are involved in its most advanced or most exciting developments.
(某一活动领域的)最前沿,最令人兴奋的发展阶段 2 ADJ (设备、技术)最先进的,尖端的 Bleeding-edge equipment or technology is the most advanced that there is in a particular field.
(设备、技术)最先进的,尖端的