Prepreparation
预先处理
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
So you can take M/T, and they will take a longer time to reach New York Bank.
那么你要采用信汇，只是信汇汇款到纽约银行用的时间较长。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。