he called this stress
他称之为压力
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He says that what's actually happening inside the body during this process is that a substance called cortisol, which builds up during times of stress, is being expelled from the system.
他表示，其实在这个过程中，身体会把承受压力时累积的一种名为“皮质醇”的物质排出体外。
youdao
He called this stress,eustress.
VOA: special.2010.10.12
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