Photoelastometry
光测弹性术
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
Love is the true price of love.
爱情只能用爱情来报答。
He's picking the apples on that tree. He's putting them in a basket.
他在摘那棵树上的苹果。他正在把苹果放进一只篮子里。