青壮年时期，母亲是位健身迷。

In her heyday, my mother was a fitness fanatic.

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青壮年时期手术难度随年龄增加而增加，老年期则随年龄增加而减少。

The difficulty in operation increases with the age of young and full age patients but decreases with the age of old people.

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日本有关专家还发现，大约有30%—40%的老年痴呆病人，在青壮年时期都有长期饱食的习惯。

Dementia. Japanese experts have found that 30 to 40 percent of senile dementia patients overate when they were younger.

youdao

日本有关专家还发现，大约有30%—40%的老年痴呆病人，在青壮年时期都有长期饱食的习惯。

Dementia. Japanese experts have found that 30 to 40 percent of senile dementia patients overate when they were younger.

youdao