Xi
n. 希腊字母的第14个字母；粒子（等于xi particle）
🗣️ 情景例句
What's that?
什么样的工作？
He's very fond of playing tennis.
他非常喜欢打网球。
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
几天以后，大约140名黑人被带到一艘停靠在海岸边的大帆船上。