http://stargate.wikia.com/wiki/Tollan_(people)
With the cannons as their only defense, they met their eventual destruction,
which most likely could have been avoided had they taken the threat of the
Goa'uld more seriously - and developed alliances and technology accordingly.
小弟不太懂这一段翻译 had they taken the threat... -and developed alliances.
串联不起来

大砲是他们仅存的防御他们遇到了最后的毁坏这个毁坏原本是可以避免的如果他们原本更加认真的看待来自goulod的威胁而发展盟友关系与科技