Tropylium ion
[化] ┳┹离子
🧩 词语组成解析
n. [化]卓鎓
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
Remember your father-in-law's a pediatrician.
记住你公公是小儿科医师。
Don't make rude remarks about their appearances.
不要口无遮拦，批评他们的外表。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？