Since the hot air is above the colder, there is no theoretical reason for convection.
因为热空气处于冷空气之上, 理论上热对流的动因并不存在.
来源:网络文摘精选不过这气泡确实和塑料中的成分有关系.
来源:网络文摘精选Classified as a red dwarf, the star is much smaller and colder than the Sun.
它被归类为一颗典型的红矮星, 比太阳小,而且温度更低.
来源:网络文摘精选Meteorologists say we are facing twenty years of colder weather and regional droughts.
气象学家说我们面临着二十年较寒冷的天气和地区性干旱.
来源:词典精选例句同时, 湖相地层中出现晶形完整的石膏晶体,说明该区在这一时期内气候变冷且转为干旱.
来源:网络文摘精选A husband and wife can sense the trust erode and feel their hearts growing colder.
丈夫和妻子都能感受到信任在离自己一步步远去,感受的到自己的内心变得越来越冷淡.
来源:网络文摘精选During the Middle Ages, in the colder climes, the sandal gave way to more protective footwear.
在中世纪, 在寒冷的气候, 该凉鞋让位给了更多的防护鞋.
来源:互联网摘选Further north in Montreal it's even colder-28 degrees, with snow flurries expected today.
进一步到北方,Montreal仍然寒冷 —— 28度, 预计今天有阵雪.
来源:互联网摘选The weather turned colder, and I wondered if they had quilts where Rou Shi was.
天气愈冷了, 我不知道柔石在那里有被褥不?
来源:汉英文学 - 现代散文Polar vortices are found on Earth, Jupiter , Mars and Venus, and are colder than their surroundings.
人们在地球 、 木星 、 火星和金星上都发现了极地涡流,它们比周围的气候环境更冷.
来源:互联网摘选
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