Indyl
(=indolyl)吲哚基, 氮(杂)茚基
🗣️ 情景例句
What is the cost?
费用是多少？
Don't forget to put stamps on your letter.
别忘了贴邮票。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。