The development of industry has been a gradual process throughout human existence, from stone tools to modern technology.(从石器工具演进到现代技术，工业的发展是一个贯穿人类生存的渐进过程。)
The Black Death of 1348 was caused by gradual loss of the humus fertility found under forest trees.(1348年的黑死病是由森林树木下腐殖质的逐渐丧失引起的。)
The evolution of North American horse, which was once presented as a classic textbook example of gradual evolution, is now providing equally compelling evidence for punctuated equilibrium.(北美马的进化，曾经被作为一个经典的渐进演化的教科书案例，现在为点断平衡说提供了同样令人信服的证据。)
In response to these gradual climatic swings, some species have shifted their ranges hundreds of kilometers.(为了应对逐渐变化的气候，一些物种改变了活动范围，已经迁移到数百公里以外的地方。)
As a result, the world's forests are now facing gradual extinction.(结果，世界上的森林正面临着逐渐灭绝的处境。)
The biggest concern of pumping out water from this deep is the gradual settling down of the land surface.(从这么深的地方抽水，最大的问题是地表的逐渐下沉。)
People tried to persuade him to go for a more gradual reform programme.(人们试图说服他选择一个更为渐进的改革方案。)
The roads are built to accommodate gradual temperature changes.(这些道路是为适应气温的逐渐变化而建的。)
They're gradual variations but their effects can be pretty abrupt.(它们是渐进的变化，但它们的影响可能是相当突然的。)
The impact of air pollution on people will be gradual.(空气污染将逐渐影响人类。)
