表示复数的s不是自由语素，必须附着于名词。

The plural 's' is not a free form, as it must always be attached to a noun.

《牛津词典》

其中许多基因与调节种子如何在仍附着于其亲本植株时变的耐旱的基因相同。

Many of them are the same that regulate how seeds become dryness-tolerant while still attached to their parent plants.

youdao

云是由海洋中的水分被太阳加热蒸发而形成的，这些水分上升到大气中，凝结成微小的水滴，附着于微小的尘埃颗粒。

Clouds are formed from the evaporation of the oceans' water that is warmed by the Sun and rises high into the atmosphere, condensing in tiny droplets on minute particles of dust.

youdao