backpack的复数形式怎么写？

A backpack is a Viking helmet - neither should be a crowed train.背包像维京海盗的头盔一样,不应该带上拥挤的火车.He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。Looking back, she feels she should never have hung up her backpack.回首过去...

backpack的音标：backpack的英式发音音标为：['bækpæk]backpack的美式发音音标为：['bækˌpæk]...

Looking back, she feels she should never have hung up her backpack.回首过去，她觉得自己真不该放下背包不再徒步旅行。He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。This suitcase, and a backpack.这个手提箱和背包....

...

adj.付得起的...

n.别名，化名( alias的名词复数 )...

The offenders lapsed into a sullen silence...那些冒犯者都闷不作声了。I was served by a sullen-faced youth.一个闷闷不乐的年轻人接待了我。Bob looked pale and sullen.鲍勃脸色苍白，闷闷不乐。He looked up at the sullen sky.他抬头看了一眼阴沉的天空。All my attempts to amuse the...

Onassis的音标：...

n.国防军士兵...

“预示”的拼音为：yù shì...

“利胆药”的英语可以翻译为：[医] cholagogic，cholagogue，chologogue ...

“球菌科”的英语可以翻译为：[医] Coccaceae ...

The Tower of London is a great attraction to tourists.伦敦塔对游客有很大的吸引力.If you treble the distance, the gravitational attraction gets nine times weaker.如将距离增大两倍, 则其万有引力就减小九分之八.Fireworks added to the attraction of the festiva...

n.石室坟墓，斜纹坟墓...

闲谈中夹有这些充满明智的语句.Among the yatter there are these sentences of wisdom.他注视著那些语句,茫然不解.He stared at the words in complete puzzlement.不同注释语句下面的其余部分应自行说明.The remaining sections under the various comment statements should be sel...

Seek mickle, and get something; seek little, and get nothing.寻找多一些,就得著一些. 寻找少一些, 就一无所得.Many a little makes a mickle; many sands will sink a ship.积少成多,集腋成裘; 积沙沉舟.Mickle power makes many enemies.势大树敌多....

There the system of wartime price controls was challenged on delegation grounds.在该案中,战争时期的价格控制以授权为由受到质疑.The delegation doctrine remains available to use in truly extreme cases.在真正极端的案子里仍可使用授权理论.Thus, the Court concluded ...

n.男巫，行家，奇才，向导（程序）...

coca的音标：coca的英式发音音标为：['kəʊkə]coca的美式发音音标为：['koʊkə]...