Picolinamide
吡啶酰胺, 氮苯酰胺
🗣️ 情景例句
Are you ready to go?
准备好动身吗？
He didn't say anything as to where he would go.
关于他的去处他什么也没说。
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。