例句與造句

1. Known as a trebuchet , and they used it to fire rocks over the ramparts
   他們就用拋石機(jī)直接把石頭拋進(jìn)城里
2. . . . known as a trebuchet , and they used it to fire rocks over the ramparts
   他們就用拋石機(jī)直接把石頭拋進(jìn)城里
3. It's difficult to find fire rock in a sentence. 用fire rock造句挺難的