螺丝帽的英文：
screw cap

screw是什么意思：
n. 螺丝钉，螺旋状物；压力，扭曲；吝啬鬼；古怪的人
v. 拧，旋；逼迫；敲诈

Use the screw screw.
用刑具夹人。

The wheels screwed.
轮子旋转着。

Pointer screws.
指针旋转着。

Put on the screw
施加压力

Screw on the box.
在箱子上刻螺纹。

cap是什么意思：
n. 帽子；盖；最高限度
v. 胜过；盖上；给牙齿上釉

This cap fits you better.
这顶帽子对你更合适。

He wore a starched cap.
他戴一顶浆得笔挺的帽子。

They cap when they pass the president.
他们经过院长面前时脱帽行礼。

Clouds capped the mountains.
云笼罩着山顶。

The mountains were capped with mist.
山顶笼罩着雾霭。