Riser
n. 起床者, 叛徒, 起義者, 豎板\\n[化] 上升管
?? 牛津釋義
riser
n
1 vertical piece between two treads of a staircase 梯級豎板.
2 person who habitually gets up early or late in the morning (as specified) 慣於早起或晚起的人
an early/a late riser 早起[晚起]的人.
??? 情景例句
And that's what I did.
我也這樣做的。
A true friend is one soul in two bodies.
真正的朋友好似兩個身子長著一顆心。
That's OK.We really need the material.
沒關系，我們急著要這些原料。