ferrule的一般过去时怎么拼写？

ferrule的第三人称单数（三单）为：ferrules...

ferrule的音标：ferrule的英式发音音标为：['feru:l]ferrule的美式发音音标为：['ferəl]...

n.（棍棒顶端等的）金属箍，金属环，套圈vt.装以金属铁...

ferrule的现在进行时为：ferruling...

ferrule的现在完成时为：ferruled...

Its ferrule followed lightly on the path, squealing at his heels.手杖上的金属包头沿着小径轻快地跟随着他, 在他的脚后跟吱吱作响.A ferrule and eraser are crimped into place on each pencil.金属环把橡皮头固定到每一根铅笔上.The tapered legs, each fitted with a brass ferr...

ferrule的复数形式为：ferrules...

补体...

ostentation的音标：ostentation的英式发音音标为：[ˌɒsten'teɪʃn]ostentation的美式发音音标为：[ˌɑsten'teɪʃn]...

vt.装殓，把…放入棺材，入殓...

v.使（蜂）入蜂箱( hive的过去式和过去分词 )，（蜂）进入蜂箱，把一部份分离出来，卖掉公司的一部分...

underwrite的一般过去时为：underwrote...

It may also appeal to the latent chauvinism of many ordinary people.它可能也迎合了许多普通人心中的沙文主义情结。If anything, swimming will appeal to her most strongly.如果说有什么能强烈地吸引她，那就是游泳了。Her more measured response will appeal to voters.她那更为慎...

裸线式电热元件通常用镍铬合金丝制成.The open wire heating elements are usually made of nichrome wire.从加工性能上说,铬钼激冷铸铁比镍铬激冷铸铁加工性能好.From the machinability, the Mo cold cast iron is liable machine.本论文研究了热压制备添加石墨的镍铬钼复合材料的力学性能及摩擦磨损特性.The mechani...

那只猫向那条狗发出愤怒的呼噜呼噜声.The cat spat at the dog.一张张嵌着石板面的桌子周围,酒气和咽喉的呼噜声混在一起.Around the slabbed tables the tangle of wined breaths and grumbling gorges.呼噜声是家猫所特有的发音特征.Purring is a unique vocal feature in the domestic cat....

witness的一般过去时为：witnessed...

倒向的...

发现在酸性低粘度醇类溶剂中,五甲氧基三苯甲基正离子的褪色现象.It was observed that the pentamethoxyl red was fading in atidity and viscose alcohol.目的探讨西替利嗪的中间体1-犤 ( 4- 氯苯基 ) 苯甲基 犦 - 哌嗪的合成方法的改进.Objective To study improved synthetic method of 1 - [ ( 4 ...

antinonnin的音标：antinonnin的英式发音音标为：[æn'ti:nwʌnɪn]antinonnin的美式发音音标为：[æn'tinwʌnɪn]...

grapefruit的复数形式为：grapefruit...

channeltron的音标：channeltron的英式发音音标为：['tʃænəltrɒn]channeltron的美式发音音标为：['tʃænəltrɒn]...

bicker的现在完成时为：bickered...