Stapf
麻黄碱
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
I'm afraid you will be disappointed.
我怕你会失望。
You can see us in the crowd.
你可以在人群中看到我们。