Ballistae
n. （发射石块的）古代武器 (ballista的变形)
🗣️ 情景例句
Thanks. I'll see you Monday at the office.
谢谢。咱们星期一办公室再见了。
The party is a good opportunity for us to meet.
这聚会是我们彼此见面的好机会。
The development of films with sound became a problem for Chaplin.
有声电影的研制对卓别林来说就成了问题。