Phototvulcanization
光硫化
🗣️ 情景例句
It's nice to see you again.
再次见到你，真是太好了。
For me, studying in another country is very exciting.
对我来说，到国外留学是一件刺激而又有趣的事。
I am ready to sign the agreement.
我已经准备好了签合同。