Optical purity
[化] 光学纯度
🧩 词语组成解析
🗣️ 情景例句
I don't care what the critics say, Mr. Stewart.
我不管评论家怎么说 ，Stewart先生
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
The world had to wait almost another 100 years for the Channel Tunnel.
世界不得不再等将近100年才看到海峡隧道竣工。