On the other hand, some deciduous gymnosperms including Ginkgoales, and the presence of growth rings in the fossil secondary wood, indicate seasonal changes.

另一方面，落叶的银杏类和松柏类，以及裸子植物木化石中具有清楚的生长轮，又说明该地区的古气候存在着季节变化。

youdao

The Cinnamoyl CoA reductase (CCR) gene is involved in determining lignin content and composition in plant secondary cell walls and has been associated with wood strength characteristics in Eucalyptus.

桂酰辅酶A还原酶基因(CCR)控制木质素含量和组成，而且与桉属木材强度特性有密切关联，因此CCR与造纸和实木利用紧密相关。

youdao

That dim light of night is being steeped with a windowsill quietly mounting that pure basin coffee wood atrium, I sneak away down on secondary silent bed, seeing the bottom is why?

那夜色正悄悄浸透窗台上那盆咖啡木纯洁的心房，我悄悄的从床上溜下来，看看到底是为什么？

youdao