Huge balloons bobbed about in the sky above...一个个巨大的气球在头顶的蓝天中漂浮着。They decorated the room with flowers and balloons.他们用花和气球装饰了房间。Helium is a gas used in balloons.氦是一种用于气球的气体.The first vehicles to navigate the air were bal...
The alkylation of isoparaffin with olefin is an important process of petroleum processing.异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis re...
Schubert continued his solitary dreams among the stars.舒伯特继续在星空中做他孤独的梦.We visited the church where Schubert sang in the choir.我们访问了舒伯特曾在其唱诗班中歌唱的那个教堂.Schubert reached the acme of his skill while quiteyoung.舒伯特的技巧在他十分年轻时即已...