Stackup
n. 分层盘旋飞行
🗣️ 情景例句
Where do people hang out on the weekend?
大家周末都去哪儿玩？
We can offer door-to-door delivery services.
我们可提供送货上门服务。
Excuse me. What's your full name, please?
请问，您的全名是什么？