未改变的

These and other health changes are attributed to Splenda remaining unabsorbed in the gut.

这些问题和其他健康状况的改变代糖仍有部分未吸收的遗留在肠道内。

Darwin expected species to change slowly, but not at the same rate – some organisms such as Lingula were unchanged since the earliest fossils.

达尔文认为物种变缓的，但不同样的速度变--一些如海豆芽一样的生物从最早的来未发生改变。