However, The CTC as a byproduct in the production of chloromethane is about 3 ~5 %.然而在甲烷氯化物的生产过程中, 不可避免地要有3-5%左右的副产物四氯化碳生成.There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧...

n.灰尘，（建筑物内、家具或地板等上的）灰尘，遗骸，尸体，人体，人，〈口〉金粉，粉末，粉剂，花粉vt.& vi.拂（一拂），掸（一掸）vt.撒（粉）于，擦去…的灰尘，擦灰，撢去...

graduation ceremony的音标：graduation ceremony的英式发音音标为：['grædʒu:'eɪʃən 'seriməni]graduation ceremony的美式发音音标为：['ɡrædʒu'eʃən 'sɛrəˌmoni]...

industrialization的音标：industrialization的英式发音音标为：[ɪnˌdʌstrɪəlaɪ'zeɪʃn]industrialization的美式发音音标为：[ɪnˌdʌstrɪələ'zeʃən]...

exodus的音标：exodus的英式发音音标为：['eksədəs]exodus的美式发音音标为：['ɛksədəs]...

President Kaunda fulfilled his promise of announcing a date for the referendum.卡翁达总统兑现了他的承诺，宣布了全民公决的日期。Parliament has bowed to the demand for a referendum next year.议会在人们的要求下已同意在明年举行全民公投。A referendum would be divisive.公投...

production的近义词有：manufacture, produce, product, production。下面这些名词均含有"产品，制品"的含义：manufacture：一般指机器大量制造的产品。produce：多指农产品(尤指蔬菜水果等)。product：一般指工业产品，也可泛指各种各样的产品。production：含义广泛，不同场合有不同的意思，可表示"产品，产物"，尤指人类智力或艺术劳动的产品。...

There's an extra duvet in the bottom drawer of the cupboard.橱柜最底层的抽屉里还有一床羽绒被。He fell asleep in the front room so I covered him up with a duvet.他在起居室睡着了，我便给他盖上了羽绒被。You know the difference between a duvet , duna , and...

residue的近义词/同义词有：balance, dregs, rest, sediment, remains, leftovers, debris, rest, balance, dregs, remainder, dirt, sediment, cinders, remnant, remains。n.residue的近义词（剩余;残渣）：balance, dregs, rest, sediment, remains, leftov...

There were ducks quacking on the lawn.草地上有几只鸭子在嘎嘎叫。Look, I'm not one of your lame ducks.听着，我可不像你手下的那些废物。I brought in one drake and three ducks.我弄来一只公鸭和三只母鸭。...

abducent的音标：abducent的英式发音音标为：[æb'dju:sənt]abducent的美式发音音标为：[æb'djusənt]...

决斗...

v.波动，起伏，呈波浪形( undulate的第三人称单数 )，使波动，使起伏，使成波浪形...

redundancies的音标：...

Tang Dynasty calligrapher Ou Yangxun most Fadu life, refuses to be easily pushed many ancients.唐代书法家欧阳询平生最重法度, 不肯轻易推许古人....

reproduce的一般过去时为：reproduced...

The boy galloped over the dunes barefoot.那男孩光着脚在沙丘间飞跑.Here, massive dunes stretched in every direction as far as the eye could see.在这里，巨大的沙丘向四面八方延绵不绝，一望无垠。We walked to the furthermost point and then sat on the sand dunes...

duenna的音标：duenna的英式发音音标为：[dju:'enə]duenna的美式发音音标为：[du'enə]...

ADU的音标：...

vt.引诱，引起，[电]感应，归纳...

（道）德（教）育...

buildup的音标：buildup的英式发音音标为：['bɪldˌʌp]buildup的美式发音音标为：['bɪldˌʌp]...

adj.耐用的，耐久的，持久的，长期的n.耐用品，耐久品...

educated的音标：educated的英式发音音标为：['edʒukeɪtɪd]educated的美式发音音标为：['ɛdʒəˌketɪd]...

vt.勾引，引诱，诱奸（妇女），诱使…堕落，迷惑，使入迷...

reduce的音标：reduce的英式发音音标为：[rɪ'dju:s]reduce的美式发音音标为：[rɪ'dus]...

Ah Duo bit his lips to keep from laughing aloud.阿多咬住了嘴唇暗笑.the comedy duo Laurel and Hardy劳莱和哈代这对喜剧搭档The duo cut rectangular holes in balsa wood and covered them with glass microscope slides.两人在轻质木材上剜出一些长方形的洞,然后在洞口盖上显微镜玻片...

n.模块( module的名词复数 )，单元，（宇宙飞船上各个独立的）舱，组件...

n.深度电导仪，海水电导仪...

the Ministry of Education的音标：...