persevere的音标：persevere的英式发音音标为：[ˌpɜ:sɪ'vɪə(r)]persevere的美式发音音标为：[ˌpɜrsə'vɪr]...

v.坚忍，坚持( persevere的第三人称单数 )...

several的音标：several的英式发音音标为：['sevrəl]several的美式发音音标为：['sɛvərəl,'sɛvrəl]...

adj.严厉的（ severe的最高级 ），艰难的，精确的，极为恶劣的...

These Severn Valley woods have been exploited for timber since Saxon times.从撒克逊时代起就开始采伐塞文山谷的这些树林获取木料。The longest river in the United Kingdom is the River Severn.英国最长的河流是塞文河.They went up the Severn from Bristol to Glouces...

adv.严格地，严重地，严厉地，严肃地...

perseveres的音标：...

persevered的音标：...

persevere的第三人称单数（三单）为：perseveres...

n.严重，严格，严谨，严厉的对待...

asseverate的现在进行时为：asseverating...

severe的近义词/同义词有：harsh, stringent, stern, strict, rough, austere, acidulous, drastic, afflictive, disastrous, austere, blue, exigent, rigorous, inclement, oppressive, sharp, vehement, intense, acid, cutting, wicked, strin...

severity的音标：severity的英式发音音标为：[sɪ'verətɪ]severity的美式发音音标为：[sə'vɛrɪti]...

He was diagnosed as severely dyslexic but extraordinarily bright.他被诊断患有严重的阅读困难症，但是却绝顶聪明。Nearly a third of the children were severely underweight.近1/3的孩子体重严重偏轻。Nerves became severely frayed when air traffic problems delay...

asseverate的音标：asseverate的英式发音音标为：[ə'sevəreɪt]asseverate的美式发音音标为：[ə'sevəreɪt]...

v.郑重声明，断言( asseverate的第三人称单数 )...

Perseverance is failing nineteen times and succeeding the twentieth.十九次失败,直到第二十次才获成功,这就是坚持。Fortitude indefatigability perseverance persevere tenacity.不屈不挠.With tact and perseverance he inveigled her into becoming his law...

v.郑重声明，断言( asseverate的过去式和过去分词 )...

adj.严峻的，严厉的，剧烈的，苛刻的...

sever的一般过去时为：severed...

Severn的音标：...

v.割裂，分开...

Several proposals are under consideration by the state assembly.有几个提案州议会正在讨论中。He entered for many competitions, winning several gold medals.他参加过多次比赛，赢得了数枚金牌。She travels con-stantly, moving among her several residences ar...

severest的音标：severest的英式发音音标为：[sɪ'vɪərɪst]severest的美式发音音标为：[]...

severity的复数形式为：severities...

n.毅力 ，韧性，不屈不挠的精神...

They are determined to persevere in the fight.他们决心坚持战斗.Persevere and you'll succeed.只要你坚持不懈,你自会成功.It took a generous helping of entrepreneurial confidence to persevere during this incident.在这一事件中坚持下来是有了充足的创业信心的。...

They will only triumph by persevering in their struggle against natural calamities.他们只有坚持与自然灾害搏斗,才能取得胜利.Success belongs to the persevering.胜利属于不屈不挠的人.Victory belongs to the most persevering.胜利属于最有毅力的人....

severs的音标：...

severe的最高级为：severest...