pen的复数形式怎么写？

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的一般过去时为：penned...

pen的现在完成时为：penned...

pen的现在进行时为：penning...

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...

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

pen的第三人称单数（三单）为：pens...

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

Parliament be prorogue for the summer recess.因暑假议会休会.The legislature moved to prorogue the present session.立法机关提议停止目前的会议....

“痛处”的英语可以翻译为：sore spot，tender spot，sore，a tender spot ...

differ的音标：differ的英式发音音标为：['dɪfə(r)]differ的美式发音音标为：['dɪfɚ]...

lardalite的音标：lardalite的英式发音音标为：[lɑ:'dælaɪt]lardalite的美式发音音标为：[lɑ'dælaɪt]...

Such attitudes are the product of woeful ignorance.这样的态度是极度无知造成的。a woeful spectacle悲惨的景象a woeful song悲歌She displayed a woeful ignorance of the rules.她对这些条例表现出可悲的无知。Stroeve gave me a look with his woeful eyes.施特略夫用他那对愁苦的眼...

“一满勺”的英语可以翻译为：ladleful，dipperful ...

“不溶酶”的拼音为：bù róng méi...

impaste的一般过去时为：impasted...

hum的现在完成时为：hummed...

With silk it contests the chromo for smoothness.它的平滑可以与丝绸相媲美.The smoothness of the flight was memorable.这次平稳顺利的飞行令人难忘。This kind of floorBoard gives people a feeling of smoothness and quietness.这种地板木给人一种顺滑、安静的感觉.Top - qua...

Horsetail is often combined with Hydrangea in the treatment of prostate troubles.问荆常与光绣球一起用作治疗前列腺问题.It is very difficult to control perennial weed horsetail ( Equsetum arvense L . ).问荆 是一种多年生难防杂草.The Horsetail tree dande...

“挤压机”的英语可以翻译为：[化] ejecting press，extruding machine，extruding unit ...

“系统”的英语可以翻译为：system，systematic，economy，[电影]System...

“义愤”的拼音为：yì fèn...

sinecure的复数形式为：sinecures...