常年的英文怎么说

常年的英文：
perennial
year in year out
average year

参考例句：

• He persists in physical training all the year round.
  他常年坚持体育锻炼。
• This wine cellar stays at an even temperature all year round.
  这个酒窖常年保持恒温.
• In general ,Scotland is colder throughout the year ,and receives more rain.
  一般而言,苏格兰常年寒冷多雨。
• He's bedridden throughout the year with a lingering, obstinate disease.
  他身患痼疾，常年缠绵病榻。
• The top four were all in Japan, including Tokyo as the perennial No.1.
  前四名都在日本，其中东京常年位居榜首。
• At Yale, intramural sports from soccer to water polo take place all year long
  在耶鲁，校内体育运动从足球到水球常年都有
• His flesh was as firm and clean as wood, stained richly tan with the climate’s rigor
  他的肌肉像木头一样结实干净，常年的风吹日晒，使他的皮肤变成了深褐色。
• Derek has allergies to common antibiotics, and Jeffrey is weakened from years of treatment for Hodgkin's disease
  德里克对一般抗生素有过敏反应,而杰佛里则由于常年治疗淋巴恶性肉芽肿病而变得很虚弱。
• I use a large quantity of serge during the year,and can give you considerable order if your quality is suitable.
  本公司常年使用大量哔叽布，如贵公司提供的产品质量合乎要求，我司可大量订购。

perennial是什么意思：
adj. 多年生的；常年的，反复的
n. 多年生植物

• It's a low-growing perennial.
  它是多年生矮小植物。
• A perennial plant, such as the English daisy, cultivated as a biennial.
  以两年生植物栽种的多年生植物，如英国雏菊
• The fine carnation of their cheeks is perennial as sunlight in the seventh heavens
  她们面颊的美丽的淡红色象七重天里的阳光始终辉煌灿烂。

year是什么意思：
n. 年；年份，年度，一年，年级；班级，岁；年代，多年；很久

• Year succeeds to year.
  年复一年。
• This year is a banner year for crops.
  今年是个丰年。
• Year after year went past.
  一年又一年过去了。

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

• be out for the count
  拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败
• Out of the Blue
  从天上掉下来
• Out of power, he is out of favour.
  当他失去权力之后，他也就不再受人欢迎。