decalin什么意思？

decalin的音标：decalin的英式发音音标为：['dekəlɪn]decalin的美式发音音标为：['dekəlɪn]...

All catalysts prepared with the mentioned methods have higher activity of decalin conversion.采用交换法和预焙烧法合成的交联蒙脱土催化剂都具有较高的十氢萘转化活性....

transplant的一般过去时为：transplanted...

v.用卷帆索卷，以抄网捞( brail的现在分词 )...

n.僻径...

amanuensis的音标：amanuensis的英式发音音标为：[əˌmænju'ensɪs]amanuensis的美式发音音标为：[əˌmænjʊ'ensɪs]...

“侵入力”的英语可以翻译为：[医] invasiveness ...

excises的音标：...

I think you need to see a doctor for your backache.我想你的腰痛需要看医生.The only way to cure backache is to rest.治疗背痛的唯一办法是休息.He has excruciating backache.他的背疼得很厉害....

adj.壮观的，豪华的，极好的或令人满意的，闪亮的，为众人所推崇的...

Bees store honey in honeycombs inside hives.蜜蜂将蜂蜜储藏在蜂巢里.I certainly don't want to think about those terrible honeycombs.我是真的不想去想那些糟糕的蜂巢.WHY do honeycombs have hexagonal cells?为什么蜂窝的形状是六边形的 呢 ?...

v.用纹章装饰，颂扬，盛饰( emblazon的现在分词 )...

n.（水管、枪筒等中的）污垢v.使污秽( foul的现在分词 )，弄脏，击球出界，（通常用废物）弄脏...

One policeman was clearly visible noting the number plates of passing cars...能清楚地看到一名警察记下了经过车辆的车牌号。The author defends herself against charges of racism by noting that blacks are only one of her targets...面对种族主义指控，作者替自己辩护...

He got a wigging for being out late last night.他昨晚因回来太迟而被骂了一顿....

“自由民”的英语可以翻译为：freedman，freeman，liberi，yeoman，yeomanry ...

Bev made her laugh, the way she was always clowning around.贝夫用她一贯滑稽耍宝的方式逗她发笑。She senses that behind the clowning there is a terrible sense of anguish.她感觉到在这种滑稽可笑行为的背后隐藏着极大的痛苦。Doesn't all of this seem like rather que...