Apochromatism
复消色差
🗣️ 情景例句
How about $ 140 per case?
每箱140美元怎么样？
I'm sorry, but I didn't catch what you said.
对不起，我没有听明白你的话。
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。