Ultrapure
a. 超纯的
🗣️ 情景例句
May I have a bus map, please?
请给我一份公共汽车路线图好吗？
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。