Normal age-re-lated memory loss is also linked to a loss of acetylcholine.

正常与年龄有关的失忆也与乙酰胆碱的流失有关。

youdao

Sometimes, though, people pass this normal age range for puberty without showing any signs of body changes.

然而有时，有些人过了一般发育年龄，却丝毫没有身体变化。

youdao

After that, you can start with the second or third foreign language. I think the normal age would be around three or four years old.

到那时，你就可以开始教她第二或者第三语言了，这样算的话，三岁或四岁是比较合适的。

youdao

Doctors and Propecia users should be aware of the potential serious risks of the medication, "especially as it is being used cosmetically, to alter a normal age-related process, " said study researcher Dr. Michael Irwig, an assistant professor of medicine at the George Washington University School of Medicine and Health Sciences in Washington, D.

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Though Perkins is 73, the company waived its normal retirement age to bring him back.

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Today two-thirds of all Social Security pensioners retire before the "normal" age of 65.

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