Picolinamide
吡啶酰胺, 氮苯酰胺
🗣️ 情景例句
it takes a little bit of money to run a campaign.
竞选活动需要花一些钱。
Please sit down and have a glass of milk.
请坐下来喝一杯牛奶。
What are those?
那些是什么？