Unirefringence
单折射, 一次折射
🗣️ 情景例句
Well, now that you're here,
嗯，既然你回来了，
It doesn't matter to me.
两个都可以。
By 1884, a statue which was 151 feet tall had been erected in Paris.
到1884年，一座高度达151英尺的雕像在巴黎竖立起来了。