etch的一般过去时怎么拼写？

etch的第三人称单数（三单）为：etches...

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的现在进行时为：etching...

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的现在完成时为：etched...

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...

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...

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The frog is not a true reptile.青蛙并非真正的爬行动物.They arrested the men and frog-marched them to the local police station.他们逮捕了这些人，并把他们押送到当地警察局。A prince turns into a frog in this cartoon fairytale...在这个卡通童话里王子变成了一只青蛙。...her pas...

micropenetration的音标：micropenetration的英式发音音标为：[maɪkrəʊ'penɪtreɪʃn]micropenetration的美式发音音标为：[maɪkroʊ'penɪtreɪʃn]...

n.（绘画、照片或雕塑）裸体( nude的名词复数 )...

They went on a ten-mile hike through the forest.他们做了一次穿越森林的十英里徒步旅行。After the hike to the river the soldiers camped for the night.士兵们步行到达那条河后露营过夜.The boys have gone on a long hike with the Boy Scouts.男孩们已经随童子军长途徒步旅行去了....

n.微胁变，微应变...

n.自动压力温度表...

n.（原为牧师戴的）皮兜帽...

machinate的现在进行时为：machinating...

Dr. Williams instructs us in botany.威廉博士教我们植物学.The first of these in the field of botany were the herbals.在植物学领域,这些最早的著作是本草书.Medicine began to turn away from botany in the scientific revolution of the 17th and 18th centu...

The total of debits must balance the total of credits.借记总额必须与贷记总额相平衡。The sta-tement of total debits and credits is known as a balance.总借记和总贷记的结算即账户余额。The US is contributing $4 billion in loans, credits and grants.美国将提供40...

lazyback的音标：lazyback的英式发音音标为：['leɪzɪbæk]lazyback的美式发音音标为：['leɪzɪbæk]...

Remedy some inanition on soul a bit.弥补一些些心灵上的空虚.Camomile has long been used as a remedy for teething babies.春黄菊长期以来一直用作减轻婴儿出牙时的不适的药物。Objective To remedy lacrimal hypersecretion by procaine blocking lacrimal gland.目的利用普罗卡...

Some foetal malformations cannot be diagnosed until late in pregnancy.有些胎儿的畸形部位得等到妊娠后期才能诊断出来。His legs were curled beneath him in a foetal position.他的腿蜷缩在身下，就像胎儿的姿势一样。...an early stage of foetal development...胎儿发育的早期阶段She...

Finely grate about a teaspoon of orange zest and put aside.将橙皮擦出大约一茶匙的细末待用。I have put aside 5 minutes to talk to you.我抽出五分钟来与你交谈.Put aside this question for a moment.这个问题先撇开不谈....