Littering
[法] 乱丢废物, 乱扔废弃物的行为
🗣️ 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。
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
You can call me any time.
你可以随时打电话给我。