Dhs
数据处理系数（Data Handing System）；癸二酸二己酯
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
We should take due care for this accident.
我们应该对这件事给予应有的注意。
After having been wounded towards the end of the war, he had been sent to hospital and was separated from his unit.
战争即将结束时，他负伤被送进医院，并与部队失去联系。