第三人稱(chēng)復數：perennials
perennial基本解釋
形容詞多年生的; 終年的，長(cháng)久的; 不斷生長(cháng)的; 四季不斷的
名詞多年生植物; 長(cháng)期存在的
perennial反義詞
perennial的反義詞
形容詞annual
perennial
perennial同義詞
perennial在線(xiàn)翻譯
形容詞regularsteadyperpetualconstantcontinuous
perennial網(wǎng)絡(luò )解釋
1. 多年生：按照草的生長(cháng)期限又分為多年生(Perennial)和一年生(Annual)以及兩年生等. 另外,在冬季以及對于棚養的奶牛和小牛,大麥、干草、青貯發(fā)酵飼料(silage)、麩皮(cash crop waste)、乳清(whey,制作奶賂的副產(chǎn)品)等也是飼料.
2. 常年性：臨床上一般分為常年性(perennial)盡信書(shū)不如無(wú)書(shū)但臨床表現與上述兩型變應性鼻炎相似,稱(chēng)血管運動(dòng)性鼻炎或稱(chēng)神經(jīng)反射性鼻炎,刺激可來(lái)自體外(物理、化學(xué)方面),或來(lái)自體內(內分泌、精神方面),故有人看作即是變應性鼻炎,
3. 永久的：peremptory 絕對,強制的 | perennial 永久的 | perfect 無(wú)缺點(diǎn),全然的; 改進(jìn),完成
4. perennial什么意思
4. 長(cháng)期的：turnaround轉變 | perennial長(cháng)期的 | lavish浪費的,濫用的
perennial詞典解釋
1. （尤指問(wèn)題或困難）永恒的，持續的，亙古不變的
You use perennial to describe situations or states that keep occurring or which seem to exist all the time; used especially to describe problems or difficulties.
e.g. ...the perennial urban problems of drugs and homelessness...
毒品和無(wú)家可歸這兩個(gè)一直困擾城市的問(wèn)題
e.g. There's a perennial shortage of teachers with science qualifications.
有理科教學(xué)資格的老師一直都很短缺。
2. （植物）多年生的
A perennial plant lives for several years and has flowers each year.
e.g. ...a perennial herb with greenish-yellow flowers.
開(kāi)綠黃色花的多年生香草
perennial英英釋義
noun
1. (botany) a plant lasting for three seasons or more
adj
1. recurring again and again
e.g. perennial efforts to stipulate the requirements
Synonym: recurrentrepeated
2. lasting three seasons or more
e.g. the common buttercup is a popular perennial plant
3. lasting an indefinitely long time
suggesting self-renewal
e.g. perennial happiness
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