Dioptrics
n. 折光学\\n[医] 屈光学
🗣️ 情景例句
Should be.
应该是开的。
Knowledge makes humble; ignorance makes proud.
知识令人谦虚；无知使人骄傲。
When they had all made themselves comfortable, a stranger appeared.
当他们都已安排舒适时，一个陌生人出现了。