bifold

英式音标：[baɪ'fəʊld]

美式音标：[baɪ'foʊld]

词义：

adj.

两褶的；

用法：

权威例句

Orbifold Gromov-Witten Theory

Orbifold resolution by D-branes

Membranes on an orbifold.

A New Cohomology Theory of Orbifold

The operator algebra of orbifold models

Strings in a Time-Dependent Orbifold

Five-branes and M-theory on an orbifold

Instability of Spacelike and Null Orbifold Singularities

Limits on extra dimensions in orbifold compactifications of superstrings

Heterotic strings in symmetric and asymmetric orbifold backgrounds

造句：

1. Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次演讲的话题之前, 我还想回忆一下,镭和钋发现是皮埃尔·居里与我合作完成的.

来自《简明英汉词典》

2. Madame Curie named it polonium in honour of her native country.

居里夫人将它命名为钋,以纪念她的祖国.

来自辞典例句

3. Polonium is a highly radioactive element and a metalloid.

钋是高放射性的元素,金属.

来自互联网

4. Polonium is used to set off a nuclear bomb.

后者表示“习惯于干某事”

来自互联网

5. The most common production of Polonium is by synthetically making it.

最常见的钋是人工生产的.

来自互联网

[ polonium 造句 ]