on a plate

基本解释

Then he lays the nuts on a plate and microwaves them on high power for 40 seconds. The shells pop open like steamed clams.
然后把栗子放在一个金属板上，用微波炉高温加热40秒，栗子壳就会像蒸熟的蛤一样裂开。
He says the brains of all people — and some animals — can tell the difference between, say, two cookies and three cookies on a plate.
他说，人类的脑部——还有一些动物的脑部——能够分辨出碟子上两个曲奇和三个曲奇之间的区别。
philosophyol.net
Then they were asked to rate cookies bytasting at least one (but up to eight) cookies presented on a plate.
当被要求吃盘子里的饼干（至少一块，最多八块）并给出评价。

The revolution is based on the work of scientists who study the movement of the continents a process called plate tectonics.
One way is to allow these bacteria to grow on a plate that is loaded with antibiotics like Ampicillin.
一种方法,是让这些细菌,在有大量抗生素如氨苄青霉素,的培养基上生长
耶鲁公开课 - 生物医学工程探索课程节选
Now how do you find those colonies on a plate that have the plasmid that you want?
那我们如何辨别培养基上的哪些菌落,有我们需要的质粒呢
耶鲁公开课 - 生物医学工程探索课程节选

The thing looks like it's about to go supersonic just sitting on a plate.
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