Apochromatism
复消色差
🗣️ 情景例句
to open the building for us on the next four weekends.
在往后四个周末开放那座建筑。
You're always mixing me up with my twin sister!
你老是把我和我的孪生姐姐搞混!
Where's Mr. Williams this evening?
威廉斯先生今晚去哪儿了？