ectoblast什么意思解释？

ectoblast的音标：ectoblast的英式发音音标为：['ektəʊblæst]ectoblast的美式发音音标为：['ektəˌblæst]...

rear的第三人称单数（三单）为：rears...

“大学的”的拼音为：...

This issue is creating unrest on the backbenches.这一问题引发了后座议员的不满。...

His older brother , Kalan, was destined for the throne.伊索尔德是王母塔阿·丘姆的次子.Kalan called his assistant, Hashim, to take over while he went out...考兰叫助理哈希姆在自己外出时代理其职。His brother Kalan was kidnapped near the Terephon system.他的哥哥...

seeding的音标：seeding的英式发音音标为：['si:dɪŋ]seeding的美式发音音标为：['sidɪŋ]...

A viral infection may be localized disseminated or inapparent.病毒感染可以是局限性的,扩散性的,或不显性的.In 1854 , a localized epidemic of Asiatic cholera broke out in London.一种地方性传染病――亚细亚霍乱于1854年在伦敦爆发.The consolidated areas were usually pl...

ovations的音标：...

“常见的”的英语可以翻译为：common，familiar，hackneyed ...

bolt的现在进行时为：bolting...

Manichean的音标：...

—门课可以看成是培养一届学生的总课程中的最小单位.Training course can be viewed as the total term of the course students smallest unit....

often的近义词有：always, often, usually, frequently, repeatedly, regularly。下面这些副词均表示频度always ：总是，永远。语气最强，指在一切时候，没有例外。often ：经常，语气弱于always,侧重动作发生的次数具有经常性，具体时间意味不强。usually ：通常，通例地，指习惯性动作，频度仅次于always，较often大，偶尔有间隔。frequently ：时常，...

learners的音标：learners的英式发音音标为：['lɜ:nəz]learners的美式发音音标为：['lɜnəz]...

commemorated的音标：...

handbag的近义词有：bag, sack, handbag, purse。下面这些名词均含"袋"的含义：bag：普通用词，指一般的口袋，有时也指手提包。sack：应用较窄，指较大的袋子，如麻袋等。handbag：指手提包，尤指女人用的手提包。purse：指钱包或小钱袋，在美国相当于bandbag。...