火星的大气层极其稀薄，几乎全部由二氧化碳构成。Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.整周都可以用肉眼观察到火星。The planet Mars will be visible to the naked eye all week.我刚发动引擎时，引擎冒出火星，发出长长的嘶声，然后就熄火了。When I start...
我觉得他们嘲笑我是因为我长得丑。I thought they were laughing at me because I was ugly.他仍然因出身低微而被人无情嘲笑。He is still the butt of cruel jokes about his humble origins.他看着我，冷酷的眼神里闪过一丝嘲笑。He looked at me, a flicker of amusement in his cold eye...