stage of old age

基本解釋

The same as our stage of life. All of us need experience juvenile, youth, middle-age finally verging upon the old-age.
正如人的生命歷程一樣，我們都要經(jīng)歷少年，青年，中年，老年；
Only tumours, which admittedly represent the final stage of degeneration in old age, are always immediately referred for surgery.
衹有公認(rèn)的呈現(xiàn)老年惡化晚期腫瘤才縂要立刻進(jìn)行外科手術(shù)。
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Cynoglussus abbreviatus of 1~4 years old are on the growing stage with the fastest growing speed at the age of 1~2, it being gradually getting slow after 2 years old .
結(jié)果表明：1-4齡的短吻舌鰨処於生長期，在生長速度上，1-2齡生長速度最快，以後生長速度逐漸減慢；