Photoelastometry
光测弹性术
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
Could you explain how to fill this out?
请你说明一下怎样填这张表好吗？
She's sitting under the tree.
她正在树荫下坐着。