Using their incredible sense of smell to track their prey, adult polar bears spend most of their lives alone, wandering over miles of frozen ice looking for blubber-rich prey such as seals, walruses and even whales. They are also remarkably good swimmers.
成年的北极熊大多时候都是独自一人生活，它们靠极其灵敏的嗅觉去追踪猎物。北极熊会在方圆几英里的冰天雪地里漫步徘徊，寻找像海豹、海象或鲸鱼这样的含脂肪丰富的猎物。他们的游泳技能也很不错。
A volunteer dressed in a polar bear costume takes part in a demonstration in Paris which calls on political leaders to protect the Arctic. Photo: Pierre Andrieu/AFP/Getty Images
今日小常识
今日短语
如果你想让某人耐心的等你做一件事情，你可以说 bear with me.
例句
Bear with me. I'm on the phone right now and I will be with you shortly.
If you could just bear with me for a moment I will find the address of my dentist to give you. I am sure I wrote it somewhere in my diary.
请注意
短语 to bear in mind something 的意思是把某事考虑在内、记住某事。
Before splashing cash on a new dress for the Summer, bear in mind that you've got a temporary job. Be careful with your money.
