Chrone
n. 音长单位
🗣️ 情景例句
Hand me two eggs from the refrigerator,
替我从冰箱拿两个蛋来。
Joy to the world!
给这个世界欢乐！
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，