etch的第三人称单数怎么拼写？

Finally the structures were released in a 49 % HF etch.最后在49%F中腐蚀形成这些结构.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Can some one suggest a suitable etch or sequence of etches to achi...

etch的音标：etch的英式发音音标为：[etʃ]etch的美式发音音标为：[ɛtʃ]...

etch的现在进行时为：etching...

vt.& vi.蚀刻，浸蚀，刻划，描述，铭刻在心里/记忆里/脑海里，铭记n.腐蚀剂...

More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.瓷酸蚀剂...

etch的一般过去时为：etched...

etch的近义词/同义词有：engrave, stamp, imprint, impress, impress, print, stamp, imprint, engrave。vt.etch的近义词（蚀刻;铭刻）：engrave, stamp, imprint, impress。etch的近义词（其他释义）：impress, print, stamp, imprint, engrave。...

etch的现在完成时为：etched...

clara的音标：...

vt.& vi.砍伐（lumber的第三人称单数形式）...

adj.感伤的，矫饰的n.矫饰，感伤的人...

The workers live in shanties outside the factory.工人们住在工厂外面的小棚屋内.Fully 30% of the poor could not even afford access to illegal shanties.足足有 30%的贫困人口甚至连非法窝棚都住不起。...one of my father's favourite sea-shanties.我父亲最喜爱的船夫曲之...

“极端”的近义词/同义词：极度, 至极, 非常, 十分, 万分, 尽头, 绝顶, 特别, 异常。...

He is a very rigorous man, very persnickety.他是个很严厉的人，非常挑剔。They're snobs -- stuck - up and uppity and persnickety.他们傲慢、自大又吹毛求疵.Everybody is ordinal introduce oneself how persnickety , each other of cross verbal sword...

corset的音标：corset的英式发音音标为：['kɔ:sɪt]corset的美式发音音标为：['kɔrsɪt]...

The Theatre Royal is one of the oldest playhouses in Britain.皇家剧院是英国最古老的剧场之一。...

电流滞后于电压.The current lags behind the voltage.如果输入的电压是+3伏, 那么输出的电压便是-6伏.If the input voltage is plus three , it comes out as minus six.我们用以表示电压和电流的单位分别为伏特和安培。The units in which we show voltage and current are volt and ampe...

“向地地”的英语可以翻译为：earthwards ...

skyrocket的一般过去时为：skyrocketed...

beef的现在进行时为：beefing...

convulse的现在进行时为：convulsing...

“大洋洲”的英语可以翻译为：Oceania，Oceanica ...

“变钝”的英语可以翻译为：ust，obtund，failure ...