美[s?d] 1 . This condition is called seasonal affective disorder, or SAD for short.
這種病情叫做季節性情感失調癥，或簡稱SAD。
來自柯林斯例句
2 . Guy Powell, defending, told magistrates: "It's a sad and disturbing case."
蓋伊·鮑威爾在進行辯護時對地方法官說道：“這是一件非常不幸、令人不安的案子。”
來自柯林斯例句
3 . I'm sad about my toys getting burned in the fire.
我的玩具在這場火中付之一炬，這令我很難過。
來自柯林斯例句
4 . He died five or six years ago I'm sad to say.
很遺憾，他在五六年前去世了。
來自柯林斯例句
5 . How can anyone look sad at an occasion like this?
在這樣的場合怎么會有人顯得憂傷呢？
來自柯林斯例句
1.experiencing or showing sorrow or unhappiness;
feeling sad because his dog had died
2.of things that make you feel sad;
sad news
3.bad; unfortunate;
my finances were in a deplorable state
2005年，de la Monte課題組首次闡明了SAD作為3型糖尿病的新觀點。3型糖尿病的主要特點是：腦內胰島素受體的敏感性降低，即出現胰島素抵抗，但卻伴有腦內胰島素水平下降，對維持神經元存活起著重要作用的胰島素樣生長因子（IGF-1）及其受體水平也降低。這類病人可同時存在糖尿病或外周糖代謝異常。 SAD （Seasonal Affective Disorder）季節性情感障礙
