The World Health Organisation declared Liberia free of Ebola, ending an outbreak in west Africa which has killed more than 11,000 people. 如何理解句中的 ending 和 which?
...ct the right tool for the job, in most cases, by visual recognition
alone. Where trial-and-error was used, the cockatoos did better than monkeys in
similar tests. This indicates that Goffin’s cockatoos do indeed possess an
allocentric frame of reference when moving objects in space, similar to
two...
Making a timeline that shows when different events happened can help
you understand how the events are connected to each other.本句摘自高中英语新教材(人教版)必修二第1单元(p5)。请帮忙分析一下句子结构并翻译一下,谢谢!