mass noun
1- land covered with grass and other low plants suitable for grazing animals, especially cattle or sheep牧场。
1.1
- the grass and herbage growing on such land牧草：
as modifier a range of pasture grasses.一大片牧草。
1.2
- count noun figurative a place or activity regarded as offering new opportunities〈喻〉施展拳脚的地方; 施展抱负的行动：
she left the office for pastures new.
她离开这个职位去新的地方施展抱负。
[ORIGIN: sense suggested by 'Tomorrow to fresh woods and pastures new' （Milton's Lycidas）.]
with obj.
1- put (animals) to graze in a pasture放牧（牲畜）：
they pastured their cows in the water meadow.
他们在水草地上放牛。
1.1
- no obj.(of animals) graze（动物）吃草：
the livestock pastured and the crops grew.
家畜吃草, 庄稼生长。
短语
put someone out to pasture
- force someone to retire使退休。
词源
Middle English: from Old French, from late Latin pastura 'grazing', from past- 'grazed', from the verb pascere.