free air

• adj. 大气的(自由空间)

例句

用作形容词 (adj.)

1. Which is conducive to air flow and circulation.
   有利於大气的流通扩散。
2. A large telescope magnification also magnifies the influence of unsteady air.
   大的望远镜放大率同时放大了不稳定大气的影响。

词汇搭配

• as free as the air 自由自在,行动自由...