Hydroxyazobenzene
羟基偶氮苯
🗣️ 情景例句
Would you please hand me your customs declaration form?
请出示您的申报表给我？
Learn young, learn fair.
学习趁年轻，既学就学好。
Please ask her to call me back when she's back.
她回来时请让她给我回个电话。