Optronic
光导发光的
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
Everything will be fine.
一切都会很好。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。