Good luck is when an opportunity comes along and you're prepared for it. 好运就是当机会来临时，你早已做好了准备。Many students are not adequately prepared for higher education.许多学生并未做好接受高等教育的充分准备。A minority of officers were prepared to...
The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by ...
I bought the ring as a souvenir of Greece.我买了一枚戒指，留作对希腊的纪念。Please accept this little gift as a souvenir.请留下这个小小礼物作为纪念.When Uncle Bill went abroad to live, he left me his watch as a souvenir.比尔叔叔出国时把表留给我作为纪念品....
A linearization method to design biorthogonal cosine BCM filter banks is proposed.介绍了一种用于设计双正交余弦调制滤波器组的线性化方法.We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.用复数算术推导了正弦,余弦的加法公式.L...
七个主要的铝矾土出口国组成国际铝矾土协会.The seven leading bauxite exporters formed the International Bauxite Association.常用活性炭, 铝矾土来去除废水中各种类型的有机物.Activated carbon, alumina are often used to remove many types of organic materials from aqueo...
I daren't ask her for a rise.我不敢向她要求加薪。Ken Daren, I'd hate to hear how you describe your worst movie!要是你向我描述你最不喜欢的电影就可怕了!I daren't think how much it's going to cost.我没敢想这得花多少钱.She wanted the money bad...