Lorentzian wormholes are mainly studied in semiclassical gravity and Euclidean wormholes are studied in particle physics.

Semiclassical wave functions . Tunneling . Bound states.

半古典波函数,遂穿,束缚态.

Semiclassical approximation has comprehensive applications in modern physics.

在现代物理学中,半经典近似方法有着广泛的应用.

A semiclassical description is possible.

半经典描述是可能的.

But out of class, he treated us as his own sons and daughters.

不过在课后, 他却把我们当成亲生后代一样看待.

In contrast, many students appreciate all the more the communication with their teachers out of class.

恰恰相反, 许多学生更加珍惜课外与老师之间的交流.

Not only the aims defining the aims of reading also strengthening reading directing out of class.

确定课外阅读目标,加强课外阅读指导.

We can learn spoken English well by practising speaking English deal both and out of class.

通过课堂内外大量的讲英语训练,我们可以学好英语口语.

Knowledge comes from actions, you can use your knowledge out of class.

知识来源与实践, 课外可运用所学知识.

Tom: OK. ( to A ) Then give me two class tickets on the express, please.

汤姆: 好. ( 对售票员 ) 那么来两张二等快车票.

The techniques , designed to combine two-class dedusting with desulfurizing, ensures the sufficiency of desulfurizing and dedusting.

在设计中采用二级除尘和脱硫相结合的工艺, 保证了脱硫除尘的充分性.

I knew well that we were breaking not one, but two class rules.

我清楚地知道我们不只违反了一条班纪, 而是两条.

Abstract: The method of detecting hoist two-class brake is introduced.

文摘: 介绍了测试大型提升绞车二级制动的方法.

They're going to send it second class.

他们打算将它作为第二类邮件寄出.

Where is the second class lounge?

请问二等舱休息室在哪里?

How about the second class?

那么二等 呢 ?

First class is 24 dollars more, and second class is 15 dollars more.

头等票多付24美元, 二等票多付15美元.

A second class child return to Las Veas.

一张去拉斯维加斯的二等儿童来回票.

This tax bears down on the lower middle class.

税务压倒了中产阶级的下层.

He belongs to the lower middle class.

他来自中产阶级下层.

As a distinguished writer, Lao She is good at depicting the lower class life in Peking.

老舍作为一位杰出的作家, 以描写北平下层劳动人民生活的小说为其所长.