exist的现在完成时怎么写

Invertase can exist as active monomer ( light invertase ) or as an aggregated active form ( heavy invertase ).转化酶可以活性单体 ( 轻转化酶 ) 或聚集的活性形式 ( 重转化酶 ) 存在.There exist complete cross - incompatibility and also partial incompat...

I would have to learn, little by little, to exist alone.我得慢慢学会独自生活。For all practical purposes the treaty has already ceased to exist.实际上协议已经不复存在。He thought that if he couldn't see something, it didn't exist.他认为...

vi.存在，生存，生活，继续存在...

exist的第三人称单数（三单）为：exists...

exist的近义词有：exist, be, live。下面这些动词都有"存在"的含义：exist：通常指可观察到的或众所周知的存在现象。be：指某时某地确存在的事物或现象，多与there连用。live：多指有生命的东西的存在。指无生命事物时，强调可联想起生命的那些特点。...

exist的近义词/同义词有：be, live, subsist, occur, stand, prevail, prevail, occur, live, be, stand。vi.exist的近义词（存在;生存）：be, live, subsist。exist的近义词（存在;站立）：occur, stand, prevail。exist的近义词（其他释义）：prevail, occur, live, be, stand。...

exist的音标：exist的英式发音音标为：[ɪg'zɪst]exist的美式发音音标为：[ɪɡ'zɪst]...

exist的一般过去时为：existed...

exist的现在进行时为：existing...

He was well-built, but too fleshy to be impressive.他肌肉发达，但是太胖了，没给人留下好印象。I struggled, but he was a tall man, well-built.我使劲挣扎，但他又高又壮。Mitchell is well built, of medium height, with a dark complexion.米切尔体格健壮，中等个头，肤色黝黑。...

A picture of his girlfriend Sheryl had been splashed in the previous weekend's tabloids.他的女友谢里尔的一张照片被刊登在前一周末各家通俗小报的显眼位置上。But there was something special about Sheryl from the start.只是从一开始,谢乐尔就表现出了不同常人之处.Tom thinks S...

Because she is understanding, people around her confide in her.因为她通情达理, 周围的人都相信她.We confide in his abilities.我们相信他是有能力的.He still couldn't understand the impulse that had made him confide in Cassandra.他仍然难以理解是什么样的冲动使...

discontinues的音标：...

The tone was bitter and accusatory.杰克的声音苦涩,带着抱怨....

footprints的音标：footprints的英式发音音标为：[fu:t'prɪnts]footprints的美式发音音标为：[fut'prɪnts]...

Wind caught the sudden puff of dust and blew it inland.风猛地刮起一阵灰尘，将它吹往内陆。He took a puff on his pipe and shook his head.他抽了口烟斗，摇了摇头。Can I tempt you with a little puff pastry?我能给你尝点泡芙点心吗？...

favour的反义词有：animosity, malice, enmity。n.favour的反义词（偏爱;善意的行为）：animosity, malice, enmity。...

proper的反义词有：improper, extreme, improper。adj.proper的反义词（适合的;正派的）：improper。proper的反义词（其他释义）：extreme, improper。...

official的近义词有：officer, official。下面这两个名词均含"官员"的含义：officer：主要指军官或警官，有时也的指文职官员或高级职员。official：通常指文职官员，公职人员。有时也指军官或警官。 ...

n.君主，帝王( monarch的名词复数 )...

在平稳段结束后, 强化阶段开始, 并伴随着强度的持续升高.At the end of the plateau, strain - hardening begins, with a subsequent increase in strength....

“昆”的英语可以翻译为：elder brother，[书]offspring，a surname ...

n.自动化（技术），自动操作( automation的名词复数 )...

White stuccowork of curlicue fills the blank spaces.白色灰泥被塑成花纹装饰屋顶余白.Elegant enclosure made by valuable log, together with gilding vertical shaft and beautiful curlicue shows magnificence.以贵重原木构造出高雅的机壳, 镀金立柱和精美花饰点缀出富丽堂煌的气...