alternations

Other unpleasant changes may include odor production or alternations in tactile characteristics.

另外还有使人感到不愉快的其它现象,诸如产生气味或是手感起变化等情况.

I thought perhaps the alternations had disturbed some old associations he valued.

我想,也许这改变打乱了他对所珍爱的一些往事的联想吧.

Impressive metabolic alternations have been undergone during embryogenesis.

在胚胎发生期间经历了深刻的代谢变化.