Dinaphthylmethane
二萘甲烷
🗣️ 情景例句
What do you think of life in Beijing?
您觉得北京的生活怎么样？
I will be going to school in September.
我将在九月份上学。
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。