Billionth
num. 第十亿个, 十亿分之一
🗣️ 情景例句
Make yourself at home.
勿客气。
He who does no good, does evil enough.
好事不做，坏事做绝。
This is Wei Hua. Wei Hua, this is Jim.
这是魏华。魏华，这是吉姆。