Omtimeter
高精度光学比较仪
🗣️ 情景例句
towards refurnishing the old library
去重新整修老图书馆
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
For example, with their help China can send its TV and radio programmes to the other side of the world.
例如，在卫星的帮助下，中国能把自己的电视及广播节目传送到地球的另一边。