Billionth
num. 第十亿个, 十亿分之一
🗣️ 情景例句
Littering makes the city look like a garbage dump.
随地乱扔垃圾使城市看起来就像个大垃圾堆。
There is but one step from the sublime to the ridiculous.
可敬与可笑之间只有一步之差。
No, I need to talk to the home office.
不，我得先跟总公司谈谈。