n. United States astronaut; the first man to set foot on the Moon (July 20, 1969) (1930-) n. United States pioneering jazz trumpeter and bandleader (1900-1971)
中文释义
[计] 公理
详细用法及例句
1.Armstrong is standing on the surface of the moon.
阿姆斯特朗正站在月球表面
2.Armstrong said moving in the lunar gravity was easier than the simulations.
