Cetene ratio
[建] 十六烯值
🧩 词语组成解析
鲸蜡烯, 1-十六碳烯
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
What's your telephone number?
你的电话号码是多少？
He who purposes to be an author, should first be a student.
想当作家，相当学生。
We had to queue for hours to get in and there must have been several hundred people present just before the show began.
我们不得不排了好几个小时才进得场去。在演出开始前场内肯定已有好几百人了。