cumulative
adj
gradually increasing in amount, force, etc by one addition after another (数量、 力量等)渐增的, 累积的
the cumulative effect of several illnesses 几种疾病日积月累造成的影响.
I really enjoy it, but I'm tired of so much reading.
我可喜欢学啦!但要读的东西太多,我很烦。
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.