Photodimerization
光二聚
🗣️ 情景例句
When was it built?
它是什么时候建造的？
Change lays not her hand upon truth.
真理不变。
The writer stated that Rastus was in safe hands and would be returned immediately if Mrs.Ramsay paid a ransom of $1,000.
写信人声称拉斯特斯安然无恙，只要拉姆齐太太愿意支付1，000 英镑赎金，可以立即将猫送还。