...from its cultural context, how can we expect to seek, far...
aThe threshold altitude appears to be 1,600m for events 2–5 minutes and 600 m for events longer than 20 minutes 门限高度长期看来是1,600m为事件2-5分钟和600 m为事件比20分钟[translate] a为我们提供方便,帮助我们正确的理解不同单词,句子的真正含义。 正在翻译,请等待...[translate] ...