Ballistae
n. （发射石块的）古代武器 (ballista的变形)
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
Good things have just begun!
好戏就要开锣喽。
The book you ask for is sold out.
你要的那本书已经售完了。