Helen described life in a weightless environment during her period in space.
海伦描述了她身处太空时失重状态下的生活。
The heart does not work as hard in a weightless environment as it does in an environment of gravity.
在失重状态时心脏不会像在有重力时那样激烈的跳动。
Living in a weightless environment does curious things to the body; after all, our entire physiology evolved in the presence of gravity.
在失重的环境下生存会让我们的身体产生奇怪的现象；我们的整个生理机能毕竟还是以重力为前提的。
Living in a weightless environment does curious things to the body; after all, our entire physiology evolved in the presence of gravity.
在失重的环境下生存会让我们的身体产生奇怪的现象；我们的整个生理机能毕竟还是以重力为前提的。
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