英语～～～～～

1,the cap of the milk bottle (不是cup)
2,the whole night
3,in front of the classmates/可意译成facing the whole class

1，Milk bottle lid /Nursing bottle lid
2，Whole evening
3，In front of all classmates

topping of the milk glass
the whole night
in the class/face to all the classmate

the cup of the milk bottle
the whole night
in front of the class

the cover/ lid/ top of the milk bottle
the whole night
in front of the whole class

整个晚上也可用throughout the night