to and fro什么意思解释？

to and fro的音标：to and fro的英式发音音标为：[tu: ænd frəʊ]to and fro的美式发音音标为：[tu ənd fro]...

She stood up and began to pace to and fro.她站起身，开始来回踱步。The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。They travel to and fro between London and Paris.他们奔走于伦敦和巴黎之间....

“灰浆桶”的英语可以翻译为：hod ...

diacetylhydrazine的音标：diacetylhydrazine的英式发音音标为：[dɪeɪsɪtɪlhaɪd'reɪzɪn]diacetylhydrazine的美式发音音标为：[dɪeɪsɪtɪlhaɪd'reɪzɪn]...

astrophotography的音标：astrophotography的英式发音音标为：[æstrəʊfə'tɒɡrəfɪ]astrophotography的美式发音音标为：[æstroʊfə'tɒɡrəfɪ]...

政治生活已受到了不断高涨的民族主义情绪的影响。Political life has been infected by growing nationalist sentiment.当她讲话时，她感到内心的乐观情绪越来越高涨。As she spoke she felt a bubble of optimism rising inside her.观众热情高涨。The crowd were enormously enthusiastic....

v.逐渐使某人获得（某种可取的品质），逐步灌输( instill的过去式和过去分词 )...

n.头皮屑，头垢...

n.七角形，七边形...

又是沉默, 可怕的沉默比低声的喧骚更令人难受.There was silence again, an unearthly silence, more trying than hideous din....

bedizens的音标：...

We're all mortals , with our human faults and weaknesses.我们都是凡人, 自然都有过错和弱点.We poor mortals can pack two or three meanings into one sentence.我们这些可怜的凡人可以在一句话里面装进两三个意思.Not only with immortals but with mortals were Jupi...

The difficulty was resolved by Fresnel with his addition of the concept of interference.菲涅耳通过加进来干涉概念,解决了这个困难.He was asked to define his concept of cool.他被要求说明自己关于“酷”的定义。Grammatically, the Sanskrit paradigm exemplifies th...

他在学校的时候有名地笨嘴拙舌, 现在却变得伶牙俐齿.He was famous for his clumsiness of speech, but now he is quite eloquent....

“无知觉”的英语可以翻译为：imperception ...

cower的第三人称单数（三单）为：cowers...

Therefore, the conventional gas content measurement is invalid to lignite.因此, 传统的煤层气含量确定方法不适用于褐煤.Therefore, P should be substituted by a response surface for each genotype.因此, P必须被各个基因型的反应面所代替.The epistle deals therefore...