Fetography
[医] 胎儿X线照相术
🏥 医学释义
胎儿X 射线照像术
🗣️ 情景例句
He's going to be fine.
他不会有事了。
I'm going to show him how to swim.
我正要指点他如何游泳。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子