Elastooptics
弹性光学
🗣️ 情景例句
In fact, I'd like your autograph.
事实上 我想要你的签名。
Packing has a close bearing on sales.
包装直接关系到产品的销售。
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。