Calcium-phosphorus ratio
[医] 钙磷比率
🧩 词语组成解析
phosphorus
['fɔsfərəs]
n. [化]磷;磷光体;
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
It is 90 points.
90分。
You can't do this to me.
你不能这么对我。
The students are going to take the test in two days' time.
学生们准备在两天后就接受测验。