Vanillin test
[医] 香草醛试验(检吲哚)
🧩 词语组成解析
n. [化]香草醛,香兰素
🗣️ 情景例句
What are your major and minor subjects?
你主修和副修什么科目？
To play hopscotch
玩跳房子
The underground railway runs 24 hours a day, and there are all-night cinemas, bars and restaurants.
地铁一天24小时不停地运营。还有通宵电影院、酒吧间和餐馆。