“底板”造句

在照相底板上不同的同位素的离子会聚于不同点.
Ions of different isotopes converge at different points on the photographic plate.

在铅块上方某一距离处放一照相底板.
Some distance above the lead block a photographic plate is placed.

百里茜大声尖叫着, 猛地扑倒在马车的底板上, 婴儿被压在下面.
Prissy screamed loudly, throwing herself to the floor of the wagon, the baby beneath her.

• #底板