Unit four my day

Museum

a building in which objects of artistic, cultural, historical or scientific interest are kept and shown to the public 博物馆

a museum of modern art

a science museum

Hill

[可数名词] an area of land that is higher than the land around it, but not as high as a mountain 山丘；小山

I love walking in the hills (= in the area where there are hills) .

[可数名词] a slope on a road （道路的）斜坡

Always take care when driving down steep hills .

Roller skating

skating on wheels

.The craze for roller skating spread throughout the U.S.

Picnic

an occasion when people pack a meal and take it to eat outdoors, especially in the countryside 野餐

It's a nice day. Let's go for a picnic .

We had a picnic beside the river.

Homework

work that is given by teachers for students to do at home （学生的）家庭作业

I still haven't done my geography homework.

How much homework do you get?

Activity

[可数名词, 常用复数] a thing that you do for interest or pleasure, or in order to achieve a particular aim （为兴趣、娱乐或达到一定目的而进行的）活动

leisure/outdoor/classroom activities

illegal/criminal activities

Luck

good things that happen to you by chance, not because of your own efforts or abilities 好运；幸运；侥幸

With (any) luck , we'll be home before dark.

(British English) With a bit of luck , we'll finish on time.

So far I have had no luck with finding a job.

You're in luck (= lucky) ─there's one ticket left.

You're out of luck . She's not here.

What a piece of luck!