Runners have long feared lactic acid.
长期以来,跑步者一直害怕乳酸。
"We are facing a storm that most of us have long feared," he said.
“我们正面临一场我们大多数人长久以来担心的风暴”他说。
In China and India, where activists long feared an explosion, prevalence rates have been kept low.
在中国和印度,积极分子长期以来害怕艾滋病会突然爆发,因此患病率被控制的非常低。
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