Aplanatism
[医] 消球[面]差
🗣️ 情景例句
It's good to meet you.
很高兴见到 。
I saw him at the supermaket.
我在超级市场看到他。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。