perennial
音標(biāo)發(fā)音
- 英式音標(biāo) [p??ren.i.?l]
- 美式音標(biāo) [p??ren.i.?l]
- 國(guó)際音標(biāo) [p?'reni?l]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- adj. 多年生的；常年的；四季不斷的；常在的；反復(fù)的
- n. 多年生植物
詞根記憶
- per(全部) + enn(年) + ial→全年的；永久的
- per(全部) + enn(年) + ial→終年的
- per + enn(年) + ial→一年到頭的→長(zhǎng)期的
英漢例句
- A perennial is a plant that lives indefinitely.
多年生植物是指能存活很多年的植物。 - the perennial problem of water shortage
缺水這個(gè)老問(wèn)題 - I wonder at her perennial youthfulness.
我對(duì)她青春常駐感到驚訝. - the perennial problem of water shortage
缺水這個(gè)老問(wèn)題 - A perennial is a plant that lives indefinitely.
多年生植物是指能存活很多年的植物。
詞組短語(yǔ)
- perennial plant 多年生植物
- perennial river 常流河;常年河;常年性河流;四季不枯竭的河流
- perennial stream [地理]常流河;常劣;常流;常年河川
- Perennial Sunflower 野生向日葵;野生向葵;家死背日葵;生日花野生向日葵
- perennial chamomile 黃金菊;黃金菊介紹
短語(yǔ)
英英字典
- lasting a very long time, or happening repeatedly or all the time
- a plant that lives for several years
- You use perennial to describe situations or states that keep occurring or that seem to exist all the time used especially to describe problems or difficulties.
- A perennial plant lives for several years and has flowers each year.
- Perennial is also a noun.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 常年性
Conclusion: The vocational environment is related with the allergic to dust mites in the patients of perennial allergic rhinitis among different occupational groups in Huainan . The labor protection should be strengthened to the specific occupational groups.
結(jié)論：淮南地區(qū)不同職業(yè)中常年性變應(yīng)性鼻炎患者對(duì)塵螨的過(guò)敏情況與職業(yè)環(huán)境有關(guān)，應(yīng)加強(qiáng)對(duì)特定職業(yè)人群的勞動(dòng)保護(hù)。生物學(xué)
- 多年生的
- 多年生長(zhǎng)的
- 多年生植物
- 多年生的;多年生植物