该仪器采集人体呼出气体样本中存在的2000或更多种挥发性有机化合物的读数。挥发性有机化合物的变化可能是患上乳癌的标志。

The device takes readings of the 2000 or more volatile organic compounds (VOCs) found in a sample of human breath. Changes in VOCs can be a marker for breast cancer.

youdao

在黎明和黄昏，然而，太阳通常会留下烧焦的标志，而不是燃烧，所以在一天的时间读数有些难以阅读倍。

At dawn and dusk, however, the sun will usually leave a scorch mark rather than a burn and so the readings at those times of day are somewhat difficult to read at times.

youdao

在黎明和黄昏，然而，太阳通常会留下烧焦的标志，而不是燃烧，所以在一天的时间读数有些难以阅读倍。

At dawn and dusk, however, the sun will usually leave a scorch mark rather than a burn and so the readings at those times of day are somewhat difficult to read at times.

youdao