每年能看见太阳的日子只有几天“村干部周霍存（音译）说,"我们村总是黑色的，没有人会在外面晒被子，所以我们这寄生虫也多”。
"We only see the sun for a few days each year, " said Zhou Huocun, a community doctor. "The color of our village is black.
结论深低温冻存的同种异体肌腱移植后异体细胞在关节外环境存活不超过8周。
Conclusion Viable donor cells in cryopreserved tendon allografts did not survive longer than 8 weeks following transplantation in an extra-articular environment.
纽约天铁治安保持会多少周去遭到了媒体的存眷。
The subway vigilante in New York was in the media for weeks.
鲍尔的实验证明婴儿在出生大约18周的时候就培养了物体恒存性的感觉。
Experiments done by Bower suggest that babies develop a sense of object permanence when they are about 18 weeks old.
鲍尔的实验证明婴儿在出生大约18周的时候就培养了物体恒存性的感觉。
Experiments done by Bower suggest that babies develop a sense of object permanence when they are about 18 weeks old.
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