载荷专家
payload specialist

据中国载人航天工程办公室消息，我国载人航天工程第四批预备航天员选拔工作日前结束，共有10名预备航天员最终入选，包括8名航天驾驶员和2名载荷专家（香港地区、澳门地区各1名载荷专家）。
Ten candidates, including eight space pilots and two payload specialists, have been selected for China's fourth batch of astronauts. Of the two payload specialists, one is from the Hong Kong Special Administrative Region and the other is from the Macao Special Administrative Region, said the China Manned Space Agency (CMSA).