Etfs
abbr. ECM (electronic countermeasure) transmitter frequency setup 电子对抗发射机频率调定; ECM transmitter frequency setup 电子对抗发射机频率调定
🗣️ 情景例句
How do you keep in shape?
你怎么保持身材？
Have you invited any boys?
你邀请男孩吗？
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-