一：decease是指“死亡”或“逝世”的意思，是一个名词，也可以作动词使用。
用法：作为名词时，decease指的是人的死亡或逝世。作为动词时，表示某人去世或者死亡。
例句1：After a long battle with cancer, the decease of the famous actor was mourned by fans all over the world. (经过长期与癌症的抗争后，这位著名演员的去世让全球粉丝深感悲痛。)
例句2：The decease of her husband left her devastated and alone. (她丈夫的去世让她心力交瘁、孤单无助。)
例句3：The family was still grieving over the decease of their beloved pet. (这个家庭仍在为他们心爱的宠物的逝世而悲伤。)
例句4：The news of his decease came as a shock to everyone who knew him. (他去世的消息让所有认识他的人都感到震惊。)
例句5：The country declared a national day of mourning to honor the decease of its former president. (该国宣布全国哀悼日，以纪念前的逝世。)
二：怎么读（音标）
decease的音标为/dɪˈsiːs/，发音为di-SEES。
三：用法
作为名词时，decease通常用来指人的死亡，可以与其他名词连用，如“cause of decease”（死因）、“time of decease”（死亡时间）等。作为动词时，常与介词“from”连用，表示某人因某种原因而去世。
四：例句1-5句且中英对照
例句1：The decease of the famous singer was a great loss to the music industry. (这位著名歌手的去世对音乐界来说是一个巨大的损失。)
例句2：The doctor declared the patient's decease after a long battle with illness. (经过长期与疾病的抗争后，医生宣布患者已经去世。)
例句3：The family was still mourning the decease of their beloved grandmother. (这个家庭仍在为他们心爱的祖母的逝世而哀悼。)
例句4：The police are investigating the cause of the young man's decease. (正在调查这位年轻人去世的原因。)
例句5：She inherited a large sum of money from her uncle's decease. (她从她叔叔去世后继承了一大笔钱财。)
五：同义词及用法
1. Death：作为名词，指生命的终结或死亡；作为动词，表示死亡。
例句：The sudden death of the president shocked the nation. (的突然去世震惊了全国。)
2. Demise：作为名词，指死亡或逝世；也可以表示权力、财产等的转移。
例句：The demise of the company's founder led to a change in management. (公司创始人的去世导致管理层发生变化。)
3. Passing：作为名词，通常指某人的死亡；作为动词，表示去世。
例句：We are deeply saddened by the passing of our dear friend. (我们对我们亲爱的朋友的离世深感悲痛。)
六：编辑总结
decease是一个常用的词汇，在描述人的死亡时可以使用，也可以用来表达悼念之情。在写作中，可以根据具体语境选择合适的同义词来替换使用，以避免重复。同时，在发音上要注意将重音放在第二个音节上，并注意与其他类似词汇如disease（疾病）区分开来。
