Optical transition
[化] 光跃迁
🧩 词语组成解析
🗣️ 情景例句
When did you buy a house?
那你们在什么时候买房子呢?
Where shall we go to eat lunch today?
我们该在哪儿吃中饭呢？
Twenty or thirty pages of information handed to any of the major world powers around the year 1925 would have been sufficient to change the course of world history.
如果把二三十页的情报交给1952年前后的任何一个世界强国，就足以改变世界历史的进程。