"We've had animals in this place for 20 years," says Pat Bergeron. "Do these inspectors think we've lasted all this time without providing adequate drinking water? One tiger (Thor) has been here 17 years. Until it died of old age, we had an 18-year-old cougar. Supplying drinking water isn't, and never has been, a problem."
谢绝翻译器 另外请明确指出“Until it died of old age”一句里的died是说谁死了?