Prismoptric
棱镜屈光度
🗣️ 情景例句
It's a wonderful opportunity, Richard.
这是一个好机会 Richard。
Let's begin now.
现在让我们开始。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。