Riser
n. 起床者, 叛徒, 起义者, 竖板\\n[化] 上升管
📖 牛津释义
riser
n
1 vertical piece between two treads of a staircase 梯级竖板.
2 person who habitually gets up early or late in the morning (as specified) 惯於早起或晚起的人
an early/a late riser 早起[晚起]的人.
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
I want to thank you for inviting us to such an enjoyable Christmas party.
我对邀请我们出席这样一个快乐的圣诞晚会表示感谢。
Fasten your seat belt.
系好你的安全带。