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
Do you have any openings for a typist?
你这里缺打字员吗？
To step on
踩到
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。