#译语译谭# 行星介绍之火星
The solid surface of Mars has a distinctive red color. There are white polar caps on the poles. One consists of frozen water and the other one of dry ice (frozen carbon dioxide). During the day the temperature goes up to 30°C and at night it goes as low as -170°C. The atmosphere is sparse. There are 24.5 hours in a day and 687 days in a year.
火星表面坚实，呈橘红色。在其极地区域有白色明亮的极冠，极冠由冰和干冰（冷冻二氧化碳）组成。火星白天约30℃，夜晚降至-170℃，大气稀薄。一天有24.5小时，一年有687天。

【我国预警机电磁资源利用率比美国高50%】China's aerial early warning (AEW) aircraft are 50 percent more efficient than US ones in terms of electromagnetic resources utility, prompting military analysts to say on Sunday that the Chinese aircraft could retain maximum detection and communication capabilities even under strong hostile electromagnetic interference.
https://t.cn/AiO0pVQP

Rogier van der Weyden《圣路加为圣母作画》Saint Luke Drawing the Virgin, c.1435–1440，藏波士顿美术馆（Museum of Fine Arts, Boston）
《路加福音》作者路加（象征物是有翼的公牛）是希腊医生，大约从8世纪开始，路加开始被认为是（圣像）画家，所以中世纪城市（特别在尼德兰）的画家行会取名叫“圣路加行会”（Guilds of Saint Luke）；16世纪末罗马成立的艺术家协会叫“圣路加学院”（Accademia di San Luca）。路加成了艺术家和医生的主保圣徒。