Billionth
num. 第十亿个, 十亿分之一
🗣️ 情景例句
May I take your order?
可以点菜了吗？
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
Though he owned a large car,
尽管他有一辆豪华小轿车，