Patentability
专利性
🗣️ 情景例句
Mrs. Stewart and I
Stewart太太和我
They operated on him last night.
他们昨晚给他动手术了。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。