1.leading cause 主要原因
例句:Diabetes: Obesity is the leading cause of type 2 diabetes.
糖尿病:肥胖是產生2型糖尿病的主要原因 。
2.be diagnosed with 被診斷為
例句:In 1923, he was diagnosed with cancer of the jaw, a result of years of cigar smoking.
1923年,他被診斷出由于長期吸入雪茄煙所導致的顎部的癌癥(口腔癌)