etch的一般过去时怎么拼写？

etch的现在完成时为：etched...

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的第三人称单数（三单）为：etches...

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...

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。...

basograph的音标：basograph的英式发音音标为：['beɪsəʊɡrɑ:f]basograph的美式发音音标为：['beɪsoʊɡrɑf]...

v.攻击( assail的过去式和过去分词 )，困扰，质问，毅然应对...

Obvious examples are potentiometers and tachogenerators to monitor the posit ion and speed of a shaft.反映转轴位置和速度的电位器与测速发电机是我们最熟悉的传感器的例子.The tracking precision is got by measuring the far - field facula posit.通过测量回馈光远场光斑的位...

Empty the contents of the pan into the sieve.将锅里的东西倒到筛子上。Liquidize the mixture and then pass it through a sieve.将混合物打成泥状，然后用滤网滤一下。Strain the juice through a piece of gauze or a sieve.用一块纱布或过滤网将果汁过滤一下。...

n.磁通量子...

lupanone的音标：lupanone的英式发音音标为：[lju:'pɑ:nən]lupanone的美式发音音标为：[lju'pɑnən]...

warrior的近义词/同义词有：fighter, soldier, soldier, fighter, combatant, knight, hero。n.warrior的近义词（战士;勇士）：fighter, soldier。warrior的近义词（其他释义）：soldier, fighter, combatant, knight, hero。...

adj.编造的v.编造( fabricate的过去式和过去分词 )，伪造，建造，制造...

brevity的反义词有：complexity, verbosity。n.brevity的反义词（简洁）：complexity, verbosity。...

braised的音标：braised的英式发音音标为：[breɪzd]braised的美式发音音标为：[breɪzd]...

“引”的英语可以翻译为：draw，stretch，lead，guide（长度单位） a unit of length (=33 13 metres)（姓氏） a surname，cite ...

“浓密地”的英语可以翻译为：densely ...

designate的第三人称单数（三单）为：designates...

mesobar的音标：mesobar的英式发音音标为：['mesəbɑ:]mesobar的美式发音音标为：['mesəbɑ]...

curler的音标：curler的英式发音音标为：['kɜ:lə(r)]curler的美式发音音标为：['kɜrlə(r)]...