enamel的现在完成时怎么写

I chipped the enamel on my front tooth when I fell over.我跌倒时门牙的珐琅质碰碎了。The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.Glister Toothpaste with SYLODENT provides...

enamel的现在进行时为：enameling...

enamel的一般过去时为：enameled...

The enamel gives new brass an authentically tarnished finish.用瓷釉作末道漆使新的黄铜器看似自然地失去了光泽。Made from cast iron, it is finished in graphite enamel.它是用铸铁制成，最后在外面搪了一层石墨。a chipped enamel bowl脱落搪瓷的碗...

n.搪瓷，珐琅，指甲油vt.给…上珐琅，在…涂瓷漆...

enamel的复数形式为：enamels...

enamel的音标：enamel的英式发音音标为：[ɪ'næml]enamel的美式发音音标为：[ɪ'næməl]...

enamel的第三人称单数（三单）为：enamels...

ketoacidosis的音标：ketoacidosis的英式发音音标为：[ki:təʊæsɪ'dəʊsɪs]ketoacidosis的美式发音音标为：[kitoʊæsɪ'doʊsɪs]...

adv.不在乎地，鲁莽地，不顾一切地，混，愣，大肆...

Expectorants are commonly used as a herd treatment and are administered in the drinking water.祛痰剂常用作猪群治疗药,可加到饮水中喂给.OBJECTIVE : To evaluate the application of anticholinergic agents, theoclears and expectorants in the cli...

terminate的现在完成时为：terminated...

v.创始人( founder的现在分词 )...

anitrazafen的音标：anitrazafen的英式发音音标为：[ænɪtrɑ:t'sɑ:fn]anitrazafen的美式发音音标为：[ænɪtrɑt'sɑfn]...

The doorkeeper tipped his hat as we entered.我们进门时,看门人脫帽向我们致意.The doorkeeper gave the alarm as soon as he saw the smoke.守门人一看见冒烟就发出警报.Security and Protection Service: including doorkeeper, guardianship and patrolling secu...

离婚从来都不是一方的错误：双方都有责任。Divorce is never the fault of one partner; it takes two.我觉得我有责任帮上一把。I felt duty bound to help.发生暴乱时, 警察有责任干预.When riot broke out, the police were obliged to intervene....

assignability的音标：assignability的英式发音音标为：[əsaɪnə'bɪlɪtɪ]assignability的美式发音音标为：[əsaɪnə'bɪlɪtɪ]...

“红粉”的英语可以翻译为：women，the fair sex，（脂粉） rouge and powder ...

n.葡糖基...

CETA的音标：...

“被单”的英语可以翻译为：(bed) sheet，coverlet，coverlid，bed linen ...

n.浴缸，澡盆...

这种植物的汁液会使皮肤起水疱。The sap of this plant blisters the skin.受感染的皮肤会变红，还有可能起水疱。The affected skin turns red and may blister....