asphalt的现在完成时怎么写？

n.沥青，柏油，（铺路等用的）沥青混合料vt.铺沥青于，铺柏油于...

A model asphalt had been separated into four components: asphaltenes , saturates, aromatics and resins.用四组分法将沥青分为饱和分 、 芳香分、胶质、沥青质.The paper introduces the research on RHJ asphalt emulsifiers cations.介绍了RHJ型阳离子沥青乳化剂的研究过程....

asphalt的现在进行时为：asphalting...

asphalt的音标：asphalt的英式发音音标为：['æsfælt]asphalt的美式发音音标为：['æsfɔlt]...

asphalt的一般过去时为：asphalted...

The asphalt playgrounds have been grassed over or sown with flowers.原来的柏油操场已经覆上了草皮或种满了鲜花。I smelled tarry melted asphalt.我闻到了柏油熔化了的味道。The street is paved with asphalt.街道被铺上柏油....

asphalt的第三人称单数（三单）为：asphalts...

“味觉”的拼音为：wèi jué...

abbr.did not compete 不竞争...

n.参谋( staff的名词复数 )，全体职员，（大、中、小学的）管理人员，权杖v.雇用( staff的第三人称单数 )，担任…的职员（或雇员），为…配备工作人员，给（职员）下发学习（或工作）指令（通常与 out 连用）...

n.甲酰胺...

Dominie Deasy kens them a '.迪希先生全都认得....

cariocas的音标：...

[人名] 里奥克...

她选了低速挡小心翼翼地沿小径下行。She selected a low gear and started down the track carefully.眼前有一条清晰可辨的小径通向山谷。A clearly defined track now leads down to the valley.从克拉斯特到牛顿有一条两英里的海滨小径。There is a 2 mile coastal walk from Craster to Newto...

n.隔离壁（用在船舱、隧道、太空飞行器，以防止在一部分损坏时水或空气流入其他部分）( bulkhead的名词复数 )...

n.修道院，大教堂，大寺院，（总称）全院修士，属修道院的教堂...

n.贮气器， （储）煤气柜...

granny的复数形式为：grannies...

Educators try to put pupils of similar abilities into classes because they believe that this homogeneous grouping is advisable.教育学家设法将学生按相近的能力分班,因为他们认为这种按同等水平划分班级的做法是明智的.Another particle grouping is referred to as charge...

这一程序通常被称为 " 根据记录的规则制定 " 或 " 正式规则制定 ".This process is generally called " rulemaking on a record " or " formal rulemaking. "官方地或正式地同意; 证实或批准.To consent to officially or formally; confirm or sanction.就是升职的停滞, 即不再有实质性的头衔, 身份...

He also very frequently filled the post of head godfather in baptisms of the subtly - jovial kind.他也经常在那种微妙快活的洗礼中充当首席教父.There were six baptisms at this church last week.上星期这个教堂为六个人施行了洗礼....