1·This new type of Bottle is easy to uncap.
这种新式玻璃瓶口，易于开启。
2·This new type of packaging is easy to uncap.
这种新式包装易于拧开盖子。
3·I endeavoured to uncap the casement, but the hook was soldered into the staple.
我试着去打开那窗子，但窗钩给焊在钩环里了。