upstairs

adv.在楼上；往楼上；在高处；头脑上

n.楼上

adj.楼上的；上层的

Jim lived upstairs. 吉姆住在楼上。

They tiptoed upstairs so as not to wake the baby. 他们踮着脚上楼,生怕把孩子吵醒。

We crept upstairs so as not to wake the baby. 为了不吵醒婴儿，我们蹑手蹑脚地上了楼梯。

The plane tried to avoid a storm by going upstairs. 飞机往高空飞去，以避开风暴。

He is all vacant upstairs. 他头脑里空空如也。

She doesn't use the upstairs at all any more. 她不再使用楼上了。

The upstairs rooms are much warmer than those on the ground floor. 楼上的房间要比底层的暖和得多。

He is skilled in upstairs politics. 他精通上层政治。

upstairs用作副词时意思是“在楼上,往楼上”。

upstairs常修饰动态动词,在句中可用作状语(常置于句末)或表语。

upstairs无比较级和最高级形式。

upstairs用作形容词意思是“楼上的”,在句中只用作定语。

upstairs用作名词时的意思是“楼上”,是单数名词,多与the连用。