Radiotick
无线电时间信号
🗣️ 情景例句
I'm a freelance photographer.
我是自由摄影师。
As the touchstone tries gold,so gold tries man.
试金之石可试金，正如黄金能试人。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。