backfill的现在完成时怎么拼写

At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...

backfill的音标：backfill的英式发音音标为：['bækfɪl]backfill的美式发音音标为：['bækˌfɪl]...

At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...

backfill的一般过去时为：backfilled...

backfill的现在进行时为：backfilling...

backfill的第三人称单数（三单）为：backfills...

vt.回填（挖掘的洞穴）...

After visiting the Hallstatt, we went to the other side of lake Hallstaettersee for hiking.参观结束后, 我们到哈尔斯塔特湖对面徒步行走....

“小部分”的英语可以翻译为：small，dab，fraction，cantlet，subsection ...

adj.银河间的，星系际...

yonder的音标：yonder的英式发音音标为：['jɒndə(r)]yonder的美式发音音标为：['jɑndə(r)]...

凝胶作用，胶凝作用...

stern的复数形式为：sterns...

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gens的复数形式为：gentes...

forgery的近义词/同义词有：alteration, fulsification, copying, duplication, reproduction, replication, simulation, sham, imitation, fake, copy, fraud, imitation, counterfeit, reproduction, expropriation。n.forgery的近义词（伪造）：alteratio...

胺甲噻吨酮...

adj.最低的，最底下的，最小的...

countersigned的音标：...

alamosite的音标：alamosite的英式发音音标为：[æ'læməsɪt]alamosite的美式发音音标为：[æ'læməsɪt]...

牛仔们有的赶着大篷车，有的骑着马，抛套索捕牛。Cowboys drove covered wagons and rode horses, lassoing cattle.旧式 的吉卜赛大篷车是由马拉的涂了颜色的木质车辆.Old - fashioned gypsy caravans are painted wooden vehicles that are pulled by horses.旧时的吉普赛大篷车是涂了颜色的木质车辆.Old -...

n.数( aggregate的名词复数 )，总计，骨料，集料（可成混凝土或修路等用的）v.总计达…( aggregate的第三人称单数 )，聚集，集合，（使）聚集...