preventable
adj. 可预防的；可阻止的；可防止的
例句
He added that he had warned McLaughlin that three preventable accidents in one year could lead to his discharge, as indeed it should.
他补充说，他曾警告过麦克劳克林，一年内发生三起可预防的事故他可能会被解雇，事实上也应该如此。
Forty thousand children a day die from preventable diseases.
每天有四万儿童死于本可以防止的疾病。
《柯林斯英汉双解大词典》
Smoking is the biggest preventable cause of death and disease.
吸烟是造成不必要疾病和死亡的最大原因。
