音標(biāo)發(fā)音英式音標(biāo) [?kr?n?k'kr?n?k]美式音標(biāo) [?krɑ?.n?k]國(guó)際音標(biāo) ['kr?nik]英式發(fā)音 美式發(fā)音 基本解釋adj. 慢性的;長(zhǎng)期的;習(xí)慣性的 n. (Chronic)人名;(英)尅羅尼尅詞源解說(shuō) 15世紀(jì)初期進(jìn)入英語(yǔ),直接源自拉丁語(yǔ)的chronicus,意爲(wèi)時(shí)間的。詞根記憶chron(時(shí)間) + ic(…的)→長(zhǎng)時(shí)間的→慢性的chron(時(shí)間) + ic(形容詞後綴)→長(zhǎng)時(shí)間的→(疾病)慢性的同根派生adv性質(zhì)的同根詞chronically:長(zhǎng)期地;慢性地;習(xí)慣性地。chronic相關(guān)詞用法辨析adj. (形容詞)chronic作“長(zhǎng)期的,慢性的”解時(shí),常用來(lái)脩飾疾病或其他不好的事物。chronic還可作“長(zhǎng)期患病的”解,常用作定語(yǔ)。 chronic使用方法chronic詳細(xì)辨析英漢例句用作形容詞 (adj.)用作定語(yǔ): ~+ n.He had a chronic cough.他患了慢性咳嗽。用作表語(yǔ): S+be+~Oh, that theater was chronic.哦,那家戯院可糟透呢。chronic更多例句詞組短語(yǔ)用作形容詞 (adj.)~+名詞chronic alcoholic 〔invalid〕 酒鬼〔患慢性病者〕chronic case 慢性病chronic unemployment 長(zhǎng)期失業(yè)短語(yǔ)chronic disease [毉]慢性病chronic gastritis 慢性胃炎Chronic rhinitis [耳鼻喉]慢性鼻炎;第二節(jié)慢性鼻炎;慢性鼻炎chronic更多詞組英英字典劍橋英英字典(LONG-LASTING) (especially of a disease or something bad) continuing for a long time(BAD) very bad柯林斯英英字典 A chronic illness or disability lasts for a very long time. Compare . chronically You can describe someone's bad habits or behaviour as chronic when they have behaved like that for a long time and do not seem to be able to stop themselves. A chronic situation or problem is very severe and unpleasant. chronically chronic劍橋字典chronic柯林斯字典專業(yè)釋義毉葯科學(xué)慢性阻塞性OBJECTIVE To investigate the role and the mechanism of erythromycin in chronic obstructive pulmonary disease.目的探討紅黴素在慢性阻塞性肺疾病中的作用及其機(jī)制。慢性病長(zhǎng)期的慢性的生物學(xué)慢性的