grass

grass
noun

[mass noun]vegetation consisting of typically short plants with long narrow leaves, growing wild or cultivated on lawns and pasture, and as a fodder crop
草类植物（多为叶子又长又窄的矮小植物，野生或栽于草坪和牧场，并可作饲料）
■ground covered with grass
草地
■pasture land
牧场
the farms were mostly given over to grass.
农田大多变为牧场了。
the mainly herbaceous plant that constitutes such vegetation, which has jointed stems and spikes of small wind-pollinated flowers
草
Grasses belong to the large family Gramineae (or Poaceae; the grass family), and form the dominant vegetation of many areas of the world. The possession of a growing point that is mainly at ground level makes grasses suitable as the food of many grazing animals, and for use in lawns and playing fields
[mass noun](informal)cannabis
(非正式)大麻
(Brit. informal)a police informer
(英，非正式)向警方告密的人

verb
[with obj.]

(一般作 be grassed)cover (an area of ground) with grass
使长满草，在…上种草
the railtracks were mostly grassed over.
铁轨上多半长满了草。
■(US)feed (livestock) with grass
(美)给（牲畜）喂草
[no obj.](Brit. informal)inform the police of criminal activity or plans
(英，非正式)向警方告发犯罪活动（或计划）
someone had grassed on the thieves.
有人向警方告发了这些小偷。
catch and bring (a fish) to the riverbank
捕（鱼）并带上河岸
(chiefly Rugby & Australian Rules)knock (someone) down
(主英，澳橄)将（某人）撞倒

常用词组
at grass

the grass is always greener on the other side of the fence

(proverb)other people's lives or situations always seem better than your own
(谚)这山望着那山高

not let the grass grow under one's feet

put out to grass

put (an animal) out to graze
放牧，放（动物）吃草
■(informal)force (someone) to retire; make redundant
(非正式)强迫（某人）退休；使变得多余

派生
grassless
adjective
grass-like
adjective
语源

Old English græs, of Germanic origin; related to Dutch gras, German Gras, also ultimately to green and grow

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