Ectoplast
外质膜
🗣️ 情景例句
You and Dr. Philip Stewart--
你和Philip Stewart医生
His finger is wounded, Does it hurt?
他的手指受伤了，疼不疼？
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