- ......,withmoreandmoreofthesubst?
- ......,wh more and more of the substancerequired to produce the desired effect.
固定搭配是more and more of？ 记忆中好像没有OF
- with more and more of the substance required to produce the desired effect. （独立结构：with + noun + ed)
要产生预期的效果，需要的药剂量越来越大，
I became more and more of an ogre.
我表现得越来越像个恶魔。