CML signs and symptoms tend to develop slowly.

慢性粒细胞性白血病的症状和体征往往发展缓慢。

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While many chronic conditions develop slowly, changes in lifestyles and behaviours are occurring with a stunning speed and sweep.

许多慢性疾病发展缓慢，但生活方式和行为变化却以惊人的速度席卷全球。

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Children who are offered little affection develop slowly.

很少得到爱的儿童成长缓慢。

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It also can develop slowly, over a period of days.

VOA: special.2010.07.27

he really did slowly develop a passion for studying languages, at least English.

他真的慢慢开始对学习语言产生热情了，至少是对英语。

留在记忆中的学生 - SpeakingMax英语口语达人

The secretary said any progress toward improving U.S.-Iran relations will not only be open, but will likely develop slowly.

VOA: standard.2009.05.05

Acute coronary syndrome may develop slowly over time by the building up of plaques in the arteries in your heart.

CNN: Acute coronary syndrome

She said that because some conditions only develop slowly that people would not be aware of them until their condition had significantly deteriorated.

BBC: NEWS | Health | Many drivers 'have poor eyesight'

Unlike his new conservative colleagues, Stevens, like Souter, thought that the law should develop slowly, over time, with each case building logically on its predecessors.

NEWYORKER: Money Unlimited