桥梁钢索正在老化,若不及时更换,风险会逐年累积。Qiáoliáng gāngsuǒ zhèngzài lǎohuà, ruò bù jíshí gēnghuàn, fēngxiǎn huì zhúnián lěijī.The bridge cables are ageing; if they are not replaced promptly, the risk will accumulate year by year.
这些电线已经老化,必须尽快更换。Zhèxiē diànxiàn yǐjīng lǎohuà, bìxū jǐnkuài gēnghuàn.These wires have aged and must be replaced as soon as possible.
随着年龄增长,皮肤会慢慢老化。Suízhe niánlíng zēngzhǎng, pífū huì mànmàn lǎohuà.As we get older, the skin ages slowly.