a. 两极的, 极地的, 正好相反的, 极性的 n. 极线, 极面
Along the route, armed guards wandered the large sheets of floating ice to minimize the risk of polar bear attacks.
六级 · CET-6 2022年12月 第1套
J) There have been half-hearted but well-publicized efforts by some food companies to reduce calories in their processed foods, but the Standard American Diet is still the polar opposite of the healthy, mostly plant-based diet that just about every expert says we should be eating.
四级 · CET-4 2020年7月 第1套
Section B The quiet heroism of mail delivery A) On Wednesday, a polar wind brought bitter cold to the Midwest.
四级 · CET-4 2019年12月 第1套
As the ocean warms, a body of water called the Antarctic Polar Front —an upward movement of nutrient-rich sea that supports a huge abundance of marine life—is being pushed further south.
六级 · CET-6 2019年12月 第3套
Bearded Russian priests offer regular services at the Orthodox church for the 16 or so Russian speakers who spend the winter at the base, largely polar scientists in fields like glaciology and meteorology.
六级 · CET-6 2016年12月 第3套