Four levels of parking beneath the theatre was not enough.

剧院底下的四层停车库还不够。

《柯林斯英汉双解大词典》

There are four levels in total: bands, tribes, chiefdoms and states.

总共有四种社会组织：群体、部落、酉帮以及城邦。

youdao

There are four levels of cover.

涵盖范围包括了四种不同等级。

youdao

The four levels of rooms center on a beautiful courtyard with a glass ceiling to let light shine in.

VOA: special.2009.01.11

At some point, maybe a week later, four to eight days later, you would start to see antibody levels rise.

之后,或许一周之后,四天到八天之间,就可以看到抗体的浓度开始上升

耶鲁公开课 - 生物医学工程探索课程节选

So we have four choices in terms of initial and final energy levels, and also what it means - in terms of the electron -- whether it's gaining energy or whether it's going to be emitting energy?

我们有这四个选项,各有不同的初始能量和末能量,它都是按照电子来说的,不管是失去能量还是得到能量？

麻省理工公开课 - 化学原理课程节选

The 23 rooms are spread over four levels and exhibit thousands of exquisite figurines that Rivera wanted preserved.

BBC: Three days with Frida Kahlo and Diego Rivera in Mexico City

There are four levels of participant with varying degrees of access: main, admin, topic admin, and contributor.

FORBES: Flockler: A 'Mini Tumblr' That Puts You On The Front Page

"I've talked to Thai workers who are three or four levels down from the original orders, " he says.

WSJ: Apparel Retailers Confront Tough Options