The senescent tree no longer produces fruit.

这棵衰老的树不再结果了。

Senescent leaves fall off the tree in autumn.

衰老的叶子在秋天从树上掉落。

The senescent dog prefers to sleep most of the day.

这只衰老的狗大部分时间都喜欢睡觉。

The medication aims to remove senescent cells from the body.

这种药物旨在清除体内的衰老的细胞。

Scientists study senescent cells to understand aging better.

科学家研究衰老的细胞以更好地理解衰老。

Two mechanisms exist for removal of senescent RBC;

衰老的红细胞通过两种机制去除；

Two mechanisms exist for removal of senescent RBC; both conserve the principal constituents of the cell for reuse.

衰老的红细胞通过两种机制去除;它们都能使细胞的主要成分得到循环利用。

A cell that's no longer dividing is known as senescent; it continues to live but no longer functions as it once did.

一个不再分裂的就是衰老的细胞，它继续存活，但不再像以往一样发挥功能。

Senescent cells exhibit changes in the expression of proteins that regulate the cell cycle.

衰老细胞呈现变革中的蛋白的表达调控细胞周期。

Those tumors took longer to shrink but the senescent tumor cells were eventually cleared away.

这些肿瘤缩小需较长时间但老化的细胞最终消失。