Ventilatting system
[电] 通风系统
🧩 词语组成解析
🗣️ 情景例句
until they mentioned needing collateral or a guarantor.
在他们提到担保物或担保人之前。
It's time to begin.
到开始的时候了。
as Walter Sullivan has put it in his excellent book, We Are not Alone.
正如沃尔特·沙利文在其杰作《我们并不孤独》中阐述的。