Millicycle
n. [物]毫周波
🗣️ 情景例句
People power.
人力。
My brother wants to learn how to fly a plane.
我的兄弟要去学开飞机。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，