D-n ratio
[医] 糖氮比率, D-N比率
🧩 词语组成解析
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
Look before you leap. First think, then act.
三思而后行。
Then we played some games.
接着我们做游戏。