ascon

例句：

1. 1. The ascetic monks were known for their strict discipline and self-denial.
   苦行僧以其严格的纪律和自我牺牲而闻名。
2. 2. The astronomer discovered a new planet orbiting the sun.
   天文学家发现了一颗绕太阳运行的新行星。
3. 3. The astronaut was preparing for the long journey to Mars.
   宇航员正在为前往火星的漫长旅程做准备。