1.polar adj.
英释:close to or relating to the North Pole or the South Pole 中释:地极的；近地极的；极地的 例句:As our climate warms up, the polar ice caps will begin to melt. 随着地球气候逐渐变暖，极地的冰冠将开始融化。
2.obsess vt.
英释: if something or someone obsesses you , you think or worry about them all the time and you cannot think about anything else – used to show disapproval 中释:使痴迷，使迷恋，使心神不宁(含贬义) 用法:be obsessed by/with sth/sb 例句:A lot of young girls are obsessed by their weight. 许多年轻女孩都过于担心自己的体重。 Jody’s been obsessed with some lifeguard for months. 乔迪几个月来一直迷恋着某个救生员。
3. coverage. n.
英释:when a subject or event is reported on television or radio, or in newspapers 中释:新闻报道 例:live coverage of the match 这场比赛的现场直播
4.pure adj.
英释:a pure substance or material is not mixed with anything 中释:纯的，纯净的 例:rings made of pure gold 纯金制成的戒指
5.heck interjection.
英释:used to show that you are annoyed or to emphasize what you are saying 中释:唉，见鬼〔用以表示烦恼或加强语气〕 例句:Oh heck! I’ve lost my keys! 真见鬼！我的钥匙丢了！ “Do you believe him?’ ‘Heck, no.’" “你相信他吗？”“鬼才信他呢。”
笑点:演讲者花了两个月的时间蹲守，希望可以拍到百灵熊，结果却没有成功
