Photoelastometry
光测弹性术
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
She never mends her clothes; they all have holes in them.
她从来都不补缀衣服。因此，衣服上到处都是破洞。
Thank you .It was very nice of you to help me.
谢谢你帮我，你真好。