crop  
 noun uk/krɒp/ us/krɑːp/
  (PLANT)      
 B1 [ C ]庄稼,作物;收成,收获量 
(the total amount collected of) a plant such as a grain, fruit, or vegetable grown in large amounts
  The main crops grown for export are coffee and rice. 主要的出口作物是咖啡和大米。 
 a bumper (= very good) potato crop 土豆大丰收 
 - More examples
 - After three crop failures in a row, the people face starvation.
 - He gave a lecture on crop and animal husbandry.
 - This year's harvest was one of the most successful since the record crop of 1985.
 - Wheat is a staple crop for millions of people across the world.
 - Farmers have reported a bumper crop this year.
 
  (GROUP)      
  [ C usually singular ] informal(同时涌现的)一批,一帮(人或事物) 
a group of people or things with something in common, that exist at a particular time
  The judges will select the best from this year's crop of first novels. 评委们将从今年的一批处女作小说中选出最出色的一部。 
   (HAIRSTYLE)      
  [ C ]平头发型 
a short hairstyle
  Her hair was cut in a short crop. 她留着很短的平头。 
   (THROAT)     
  [ C ](鸟的)嗉囊 
a part of the throat in many birds where food is stored before going into the stomach
   (STICK)     
 [ C ]短马鞭 
a short stick used to control a horse by hitting it
 crop  
verb uk/krɒp/ us/krɑːp/ -pp-
  (CUT)           
  [ T ]修剪;剪短 
to make something shorter or smaller, especially by cutting
  He had his hair cropped when he went into the army. 他参军时把头发剪短了。 
  [ T ](羊、马等)啃食(草或其他植物)的顶部 
When animals such as sheep or horses crop grass or other plants, they eat the top parts.
  [ T ]剪裁(照片) 
to remove some or all of the edges from a picture, leaving only the most important part
  He cropped the photo so that only the face remained. 他把照片剪到只剩下脸。 
   (PLANT)         
 [ I usually + adv/prep ](植物)结果,开花,收成,收获 
If a plant crops, it produces fruit, flowers, etc.
  The carrots have cropped (= grown) well this year. 今年的胡萝卜收成很好。 
  [ T usually passive ]种植(庄稼) 
to grow crops on land
  The land is intensively cropped. 这片地庄稼种得很密。 
 Phrasal verb   
crop up 意外发生;冒出;突然出现
to happen or appear unexpectedly
  Her name keeps cropping up in conversation. 谈话中不断提到她的名字。