孕妇在怀孕三个月后不要前屈。
Pregnant women should not fold forward after the first trimester.
扭转也是非常好的前屈准备体式，因为扭转可以打开身体的后侧。
Twists are excellent preparations for forward bends since they open the back body.
目的：探讨学龄前儿童屈光不正的一般规律。
OBJECTIVE:to explore the general law of ametropia in preschool children.
目的：探讨学龄前儿童屈光不正的一般规律。
OBJECTIVE:to explore the general law of ametropia in preschool children.
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