Specpure
(=spectroscopically pure)光谱纯的
🗣️ 情景例句
I have to remember to put them in the bag
我必须记得将它们放进袋子里
Pat began to feel unhappy about what he had done.
帕特开始对自己所做的事感到悲伤。
Excuse me! Is this your pencil-box?
请问，这是你的铅笔盒吗？