frown的第三人称单数怎么写

There was a deep frown on the boy's face.男孩眉头紧锁.Billy's eyebrows knitted together in a little frown.比利眉头微皱。His forehead knotted in a frown.他眉头紧锁。...

vt.& vi.皱眉，不同意，蹙额n.皱眉，蹙额...

frown的一般过去时为：frowned...

His forehead knotted in a frown.他眉头紧锁。Objective : To remove glabellar frown lines and crows lines using brow lift which improve beautify face.目的: 利用抬眉术切口,去除眉间皱纹及鱼尾纹,提高面部年青化手术效果.A frown formed between her arched brows.她皱起...

frown的近义词/同义词有：displeased, scowl, look, pout, sullen, gloom, mouth, pout, glower, scowl。vi.frown的近义词（皱眉;表示不满）：displeased, scowl, look, pout, sullen。frown的近义词（其他释义）：gloom, mouth, pout, glower, scowl。...

frown的现在完成时为：frowned...

frown的现在进行时为：frowning...

frown的反义词有：smile, smile。vt. & vi.frown的反义词（皱眉;蹙额）：smile。frown的反义词（其他释义）：smile。...

frown的音标：frown的英式发音音标为：[fraʊn]frown的美式发音音标为：[fraʊn]...

显然, 生物体对这两种同分异构体能够有所识别.Evidently, living things can somehow distinguish between optical isomers.对灰化土剖面,系数反映了明显的层位分异.In the podzol profile the coefficients reflected the marked horizon differentiation.初步的化学分异使铀富集.Primary ...

vanish的现在完成时为：vanished...

bethink的现在进行时为：bethinking...

阿特拉津...

gantlet的音标：gantlet的英式发音音标为：['gɔ:ntlɪt]gantlet的美式发音音标为：['gɔntlɪt]...

他筛了两下锣.He beats the gong twice.索比在人行道上扯开那破锣似的嗓子,像醉鬼一样胡闹.On the sidewalk Soapy began to yell drunken gibberish at the top of his harsh voice.在街中响着锣声,沉重而悲怆, 二更锣敲了.On the street, the watchman's gong resounded deep and ...

n.羟氨酸...

我在写一篇有关莎士比亚戏剧源流的论文.I am writing a special topic upon the sources of Shakespeare's plays.巴人源流始于廪君之先,出自巫蜒.Ba people originate from the ancestor of Linjun living in Wuyan.相反的, 华文源流者,由于谋生不易, 大多是靠经商致富.Chinese - educated ...

metric的音标：metric的英式发音音标为：['metrɪk]metric的美式发音音标为：['mɛtrɪk]...

斯坦把装了钱的纸袋卷了起来。Stein rolled up the paper bag with the money inside.男孩将纸袋吹得鼓了起来.The boy blew out the paper bag.阿利斯泰尔已小心翼翼地将那张报纸折起，放在厚纸袋下面。Alistair had carefully folded up the paper and stowed it away under the sacks....

kinematograph的音标：kinematograph的英式发音音标为：[kaɪnɪ'mætəgrɑ:f]kinematograph的美式发音音标为：[ˌkɪnə'mætəgrɑf]...

n.舌灼痛...

iridodonesis的音标：iridodonesis的英式发音音标为：[ɪərɪdə'dʌni:sɪs]iridodonesis的美式发音音标为：[ɪərɪdə'dʌnisɪs]...

Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl bu...

“疫病”的英语可以翻译为：light，pestilence，loemia，loimia，epidemic disease ...