Phototvulcanization
光硫化
🗣️ 情景例句
You can follow in your father's footsteps.
你可以跟随你父亲的足迹。
The greater the truth, the greater the libel.
真理越大，诽谤也越大。
Still, I'm glad the bell is working again.'
不过，钟又能报时了，我还是很高兴的。”