Each year the birds must stay on platforms of floating ice for long enough to replace weather-beaten feathers with new, waterproof coats.
В России ответили на имитирующие высадку на Украине учения НАТО18:04
，更多细节参见同城约会
What we know so far about the deadly boat shooting off Cuba’s coast
According to the British Menopause Society, 45% of women felt their menopause symptoms had a negative impact on their work.
这些研究都在逼近一个最为核心的问题：人类，究竟能不能在太空繁衍生息，这也是人类走向深空的必经之路。