衰老的英文：
feeble and old

参考例句：

As the time passes by, she started to pine away.
随着时间的流逝，她也日渐衰老。

The frailty of old age;senility.
老迈，衰老老年岁人的脆弱;老态龙钟

A foolish,eccentric,or senile person.
傻瓜一个愚蠢、古怪或衰老的人

Prolonged starvation and aging might lead to rejuvenation of embryogenic potential.
长期的饥饿和衰老可以导致胚胎发生能力的复壮。

It affects tuberization, leaf senescence, and dormancy
它影响块茎形成、叶子衰老和休眠。

This decline in vigour with the passing of time is called ageing.
这种随着时间流逝的活力衰退就叫做衰老。

Calcium apparently acts in a similar manner as some of the hormones that defer senescence.
钙这种明显的作用同某些激素能够延缓衰老的作用方式相似。

The face pack for preventing and resisting wrinkles has come into the world, challenging aging -- a fact of life.
抗皱防皱面膜问世了，它向衰老，这一生命的现实宣告挑战。

The senescence of fruit, i.e. the deteriorative events which occur after ripening, has not been intensively studied
果实的衰老，也就是成熟以后所产生的败坏过程，尚未被深入地研究。

As a critic gets older, he or she usually grows more tetchy and may even become a big league scold.
当一个批评家衰老的时候，通常变得更为暴躁，甚至会成为一流的骂街者。

feeble是什么意思：
adj. 虚弱的，无力的；懦弱的，薄弱的

This is a feeble argument.
这是一场无益的争执。

It's a feeble excuse.
这是一个软弱无力的借口。

This is a particularly feeble argument.
这个论点尤其薄弱。

Infirm,feeble,and often senile.
蹒跚的虚弱的，衰弱的，因老而糊涂的

damning with faint praise; faint resistance; feeble efforts; a feeble voice.
用虚假的赞美来诅咒；微弱的抵抗；微弱的努力；微弱的声音。