knocker的复数形式怎么拼写？

n.门环，吹毛求疵的人...

knocker的音标：knocker的英式发音音标为：['nɒkə(r)]knocker的美式发音音标为：['nɑkə(r)]...

I felt loath to sully the gleaming brass knocker by handling it.我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。Number 30 has a red door and a brass knocker.30号有一扇红门和一幅铜门环.The knocker is oblong in shape, and of the kind our ancestors called " ja...

metaphysics的音标：metaphysics的英式发音音标为：[ˌmetə'fɪzɪks]metaphysics的美式发音音标为：[ˌmɛtə'fɪzɪks]...

Alastair: A new, young pianist from the Czech Republic called Irina Dubcek.阿拉斯泰: 是个刚出道的年轻钢琴家,来自捷克共和国,叫伊琳娜.杜布切克.Alastair has a bad back so we have a hard bed.阿拉斯泰尔背部有毛病，所以我们睡硬板床。Alastair: I went to a piano recital yesterd...

dissolve的第三人称单数（三单）为：dissolves...

监控的...

我对所有这些药物的危险性了如指掌。I've read up on the dangers of all these drugs.科学已经探明其危险性非常小。Science has determined that the risk is very small.一些发言者认为拳击的危险性比橄榄球运动小。Some speakers argued that boxing was less dangerous than rugby....

“血苋宁”的拼音为：xuè xiàn níng...

The new Metro is designed to run on unleaded fuel.新的地铁系统设计为使用无铅燃料。The metro is efficient and spotlessly clean.地铁非常快捷，而且一尘不染。Can you reach the park by metro?你可以乘地铁到达那个公园 吗 ?...

factor的一般过去时为：factored...

n.（一组事物可能的一种）序列，排列，排列中的任一组数字或文字( permutation的名词复数 )...

Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉假定化学元素放射电磁信号。Her hypothesis concerns the role of electromagnetic radiation.她的假说涉及到电磁辐射的作用.Some people are worried that electromagnetic fields from...

v.（通常经过努力）实现( attain的过去式和过去分词 )，达到，获得，达到（某年龄、水平、状况）...

He's been moonlighting for the past year as a driver.过去一年里他下班后开车赚外快.Victor : I will have to start moonlighting to make both ends meet.我得要开始兼差才能让收支平衡些.Sarah: Bruce Willis of the hit TV series - Moonlighting?萨拉: 演热门电视...

disperse的音标：disperse的英式发音音标为：[dɪ'spɜ:s]disperse的美式发音音标为：[dɪ'spɜrs]...

adj.优秀人才的，杰出者的n.优秀人材，杰出人物，杰出人物统治论的鼓吹者...

这事很跷蹊.There's something fishy about it.我们对这类事情可不能大意--看样子是有点儿跷蹊.We could not pooh - pooh these things - they had an evil look.富饶的溪谷在蔓延, 下自成蹊苍消暑园.Below a fertile valley spread, with barns and the orchards of summer....