perennial的意思？

perennial的复数形式为：perennials...

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缺水这个老问题I wonder at her perennial youthfulness.我对她青春常驻感到惊讶....

perennial的反义词有：annual, annual。adj.perennial的反义词（四季不断的;多年生的）：annual。perennial的反义词（其他释义）：annual。...

Description: Perennial herbaceous vines, with milky juice , glabrous throughout.形态特徵: 多年生草质藤本, 全体无毛, 有乳汁.Lythrum salicaria is a perennial herb , its root system is a fibrous like tap root system.千屈菜lythrumsalicaria为多年生宿根...

perennial的音标：perennial的英式发音音标为：[pə'reniəl]perennial的美式发音音标为：[pə'rɛniəl]...

perennial的近义词/同义词有：perpetual, continuous, steady, regular, constant, constant, changeless, ceaseless, annual, perpetual, continuous, steady, classic, regular。adj.perennial的近义词（继续的;永久的）：perpetual, continuous, steady, regu...

pathogen的复数形式为：pathogens...

Who could ever dream of a disaster like this?谁能想到会发生这样的灾难？My sons would never dream of expecting their clothes to be ironed.我的几个儿子从不指望别人帮他们熨好衣服。He had finally accomplished his dream of becoming a pilot.他最终实现了成为一名飞行员的梦想。...

harpsichord的音标：harpsichord的英式发音音标为：['hɑ:psɪkɔ:d]harpsichord的美式发音音标为：['hɑrpsɪkɔrd]...

毛细管血行正常...

useless的反义词有：useful, beneficial, useful。adj.useless的反义词（无用的;白费的）：useful。useless的反义词（其他释义）：beneficial, useful。...

stirs的音标：...

“严密”的近义词/同义词：紧密, 缜密, 精细, 周密, 慎密, 精密, 细密, 周到, 周详, 稹密, 严谨, 严实, 邃密, 严紧。...

“蘸”的拼音为：zhàn...

vibrate的近义词有：shake, tremble, shiver, quiver, vibrate, shudder。下面这些动词均含"震动，颤抖"的含义：shake：最普通用词，含义广。指人或物不自主地颤动、摇摆，常侧重剧烈和无规律。tremble：指由于寒冷、虚弱、愤怒或恐惧等而发抖、战栗。 shiver：指因寒冷或情绪突变而出现的短时间的轻微和快速的颤抖。quiver：多用于指事物。指物体像乐器的弦一般地轻微而急速地颤动。v...

Burlana的音标：...

heterospolar的音标：heterospolar的英式发音音标为：[hetərəs'pəʊlə]heterospolar的美式发音音标为：[hetərəs'poʊlə]...

treatises的音标：treatises的英式发音音标为：['tri:tɪzɪz]treatises的美式发音音标为：['tritɪzɪz]...

n.防火，耐火v.使防火，使耐火( fireproof的现在分词 )...

作为首席执行官，他手下云集了一批优雅的名人名士。As chief executive, he assembled a polished stable of celebrities.受试者似乎跳着芭蕾舞般优雅的舞蹈。The subject seems to dance with balletic grace.她是位优雅的才女。She was an elegant and accomplished woman....

fanfaronade的音标：fanfaronade的英式发音音标为：[ˌfænfærə'nɑ:d]fanfaronade的美式发音音标为：[ˌfænfərə'neɪd]...