Billionth
num. 第十亿个, 十亿分之一
🗣️ 情景例句
And you, Susan Stewart,
那么 ，Susan Stewart
Many a true word is spoken in jest.
戏言寓真理。
The modern weather models work with a grid of points of the order of sixty miles apart,
现代气象模型以一个坐标图来显示，图中每个点大约是间隔60英里。