n.窗台(板);门槛;[地]岩床,海底山脊,平巷底;
例句:
If you try again, you sill succeed.
再努力一次, 你就会成功.
Will you sill love me tomorrow?
明天你是否依然爱我?
The town sill in the early hours of the morning.
清晨时刻整个城镇静悄悄的.