航天员的身体条件必须近乎完美，杨利伟举例说明：曾有骨折史者不予考虑，阑尾炎手术尚可接受，但胸腔手术绝对排除。近视患者入选难度较大，因太空环境易引发视网膜脱离。
Cenac made some important improvements this season but remains a ways from being ready to add value in an NBA game, making him polarizing for evaluators who are split on his long-term prospects. A fluid big man with developing offensive skills, the strides Cenac has made in terms of competing on every play and handling physicality bode well, but his consistency as a scorer left something to be desired.
，这一点在钉钉中也有详细论述
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