老化的英文：
become old (person or thing)

参考例句：

Digestion tank
老化器

The elastic band has perished.
这橡皮筋已经老化。

Thermocouples age with time and readings drift.
热电偶随时间而老化，读数会偏差。

Exposure to low-level radiation for a long time may accelerate aging and cause cancer.
长期暴露在低水平辐射下可能会加速人的老化并引起癌症。

Technology ag(e)ing
技术老化

Do you think your TV screen is wearing out?
你看你的电视机显像管逐渐老化了吗?

Too low acidity often reflects poorly aged flour.
酸度过低经常说明面粉的老化不充分。

The problem of the aging of our cadres is very serious.
我们干部老化的情况十分严重。

Tests on incubation are compared to fresh coatings
使老化实验与新鲜涂层进行比较。

In China the problem of aging cadres with rigid ideas is more serious than it is in your country.
中国的干部老化僵化问题比你们严重

become是什么意思：
v. 成为；变得；适合；相称

To become blunt.
变钝，变迟钝

To become inflated.
膨胀变得充了气的。

To become firm or gelatinous; congeal.
凝固凝结或变硬；冻结

old是什么意思：
adj. 年老的；陈旧的；古老的；以前的；原来的
n. 古时

The Old Mandarin
老官吏

You old misery!
你这个爱抱怨的老家伙！

It is an old aphorism.
这是一句老格言。

person是什么意思：
n. 人；身体；外表，容貌；人称

A wanton person.
淫荡的人

an outspoken person
直率的人

You are such a wicked person.
你真是个讨要的人。