Skotogram
[医] X线片; 暗室显影片
🗣️ 情景例句
Keeping busy. Yourself?
一直很忙，你呢？
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。