pen的现在完成时怎么拼写？

pen的现在进行时为：penning...

pen的复数形式为：pens...

pen的第三人称单数（三单）为：pens...

pen的一般过去时为：penned...

Jack filched a pen from his friend's pocket.杰克从朋友的口袋里偷走了一支钢笔.He has used a mixture of mosaic, collage and felt-tip pen.他混合使用了马赛克、拼贴画和毡头笔。...a 14-carat gold fountain pen.14开金钢笔Could you hold the line and I'll ju...

n.笔，笔尖，笔法，文笔，作家，围栏vt.写，把…关入栏中，关押，囚禁...

Use different colours of felt pen on your sketch to avoid confusion.用不同颜色的毡头笔画草图，以免搞混。Draw the basic outlines in black felt-tip pen (see fig. 4).用黑色毡头笔画出基本轮廓（见图4）。He sat behind a desk laboriously writing with an Army iss...

pen的音标：pen的英式发音音标为：[pen]pen的美式发音音标为：[pɛn]...

“得知”的英语可以翻译为：e informed of，transpire ...

n.自行车，摩托车，电动自行车vi.骑自行车na.“motorbicycle”的变体...

APB的音标：...

“追溯”的英语可以翻译为：etrospect，review，run，trace back to，ascend ...

[人名] [爱尔兰姓氏] 马尔杜恩盖尔语姓氏的英语形式，来源于人名，含义是“首领+堡垒”(chief +fortress)...

Anisakidae的音标：...

whiten的现在完成时为：whitened...

inscribed的音标：inscribed的英式发音音标为：[ɪn'skraɪbd]inscribed的美式发音音标为：[ɪn'skraɪbd]...

角蛋白是毛发和指甲中的主要蛋白质.Keratin is the major protein in hair and nails.他们用角蛋白制成的产品中,有一种是花盆.One of the products they have developed is a flowerpot.成份:去离子水,鲸蜡醇,橄榄油, 水解角蛋白, 水解小麦蛋白,香精, 凯松, 柠檬酸.Ingredients eau , cetyl alcohol, hydro...

...the British government's failure to invest in an integrated transport system.英国政府未能给综合交通系统的建设投入资金The derailment, according to Transport of London, was reportedly caused by an obstruction on the tracks.据英国交通警方说地铁的...

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“石柯属”的英语可以翻译为：Lithocarpus ...

在这种时机,她是回话的传达者.On such occasions she was the bearer of replies.刘是主要的纪律管理者和首席的传达者.Liu is the head disciplinarian and chief communicator.眼神带给人以不同的感觉.它们传达者情感 、 表达个性,同时表露感情.Eyes tell a lot about a person, they convey one...

losable的音标：losable的英式发音音标为：['lu:zəbl]losable的美式发音音标为：['luzəbəl]...

离弃宿主的...