Simu
abbr. stellar inertial measuring unit 天体惯性测量设备
🗣️ 情景例句
Where's the ticket counter?
售票处在哪儿？
The restaurant is downstairs.
那餐厅在楼下。
There is a journalist and writer living in America whose name is Alex Haley.
有一位住在美国的记者兼作家，名叫亚历克斯·哈利。