at present怎么读？

目前，现在，时下，现下，此时...

I pushed the problem aside; at present it was insoluble.我把问题抛在一边，目前它还无法解决。At present children under 14 are not permitted in bars.目前，14岁以下儿童不允许进酒吧。Do you believe that sentences for criminals are tough enough at present?你认...

n.元音变换...

Conclusion The matrine liposomes with high entrapping efficiency can be prepared by ammonium sulphate gradient method.结论采用硫酸铵梯度法可制得包封率较高的苦参碱脂质体....

hydraulician的音标：hydraulician的英式发音音标为：[haɪdrɔ:'lɪʃən]hydraulician的美式发音音标为：[haɪdrɔ'lɪʃən]...

n.软骨肉瘤...

“红海葱”的英语可以翻译为：[医] red squill ...

buttresses的音标：buttresses的英式发音音标为：['bʌtrəsɪz]buttresses的美式发音音标为：['bʌtrəsɪz]...

反絮凝剂...

“变亮”的英语可以翻译为：ighten，light ...

“承认书”的拼音为：...

antiprecipitin的音标：antiprecipitin的英式发音音标为：[ænti:prɪ'sɪpɪtɪn]antiprecipitin的美式发音音标为：[æntiprɪ'sɪpɪtɪn]...

quirk的音标：quirk的英式发音音标为：[kwɜ:k]quirk的美式发音音标为：[kwɜrk]...

这本书里有大量拍自太空的特写照片。The book abounds with close-up images from space.太空的无垠距离遥远得让人类的大脑无法理解。The infinite distances of space are too great for the human mind to comprehend.恒星并非杂乱无章地散布在太空的.The stars are not scattered helter - s...

cues的音标：...

“金刚砂”的拼音为：jīn gāng shā...