Polysography
[医] 重复造影术
🗣️ 情景例句
Do I know you?
我认识你吗？
I often get up in the morning.
我常常在早上起床。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。