gerstenmaier 中文意思是什麼
gerstenmaier
解釋
格斯登美爾-
Nasa ' s space operations chief, william gerstenmaier, says the agency continues to learn from its mistakes. " we need to keep looking for failures before they occur
宇航局航天工作負責人葛斯坦麥爾說，宇航局正在不斷從過去汲取經驗。
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