每日听写 3.28

"We want to understand how humans perform in them," said lead scientist Grace Douglas. "We're looking at Mars realistic situations."
首席科学家格蕾丝·道格拉斯说:“我们想了解人类在这些环境下的表现。我们正在研究火星上的现实情况。”
The application process opened Friday and they're not seeking just anybody.
申请程序于周五开始，他们并不是随便找一个人。
The requirements are strict, including a master's degree in a science, engineering or math field or pilot experience.
选拔要求很严格，包括拥有科学、工程或数学专业硕士学位的人，或有飞行员经验的人。
Only American citizens or permanent U.S. residents are acceptable.
只有美国公民或美国永久居民可以申请。
Applicants must be between 30 and 55 and in good physical health.
申请人年龄必须在30至55岁之间，身体健康。
"Attitude is key," said former Canadian astronaut Chris Hadfield.
“态度是关键，”前加拿大宇航员克里斯·哈德菲尔德说。
He said the participants need to be super competent, resourceful, and not rely on other people to feel comfortable.
他说，参与者需要非常有能力、足智多谋，并且不依赖他人来获得舒适感。