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sickle    音标拼音: [s'ɪkəl]
n. 镰刀

镰刀

sickle
n 1: an edge tool for cutting grass or crops; has a curved blade
and a short handle [synonym: {sickle}, {reaping hook}, {reap
hook}]

Sickle \Sic"kle\, n. [OE. sikel, AS. sicol; akin to D. sikkel,
G. sichel, OHG. sihhila, Dan. segel, segl, L. secula, fr.
secare to cut; or perhaps from L. secula. See {Saw} a cutting
instrument.]
1. A reaping instrument consisting of a steel blade curved
into the form of a hook, and having a handle fitted on a
tang. The sickle has one side of the blade notched, so as
always to sharpen with a serrated edge. Cf. {Reaping
hook}, under {Reap}.
[1913 Webster]

When corn has once felt the sickle, it has no more
benefit from the sunshine. --Shak.
[1913 Webster]

2. (Astron.) A group of stars in the constellation Leo. See
Illust. of {Leo}.
[1913 Webster]

{Sickle pod} (Bot.), a kind of rock cress ({Arabis
Canadensis}) having very long curved pods.
[1913 Webster]


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  • Sickle cell anemia - Symptoms causes - Mayo Clinic
    Sickle cell anemia is one of a group of inherited disorders known as sickle cell disease It affects the shape of red blood cells, which carry oxygen to all parts of the body Red blood cells are usually round and flexible, so they move easily through blood vessels
  • About Sickle Cell Disease | Sickle Cell Disease (SCD) | CDC
    Sickle cell disease (SCD) is a group of inherited red blood cell disorders Red blood cells contain hemoglobin, a protein that carries oxygen Healthy red blood cells are round, and they move through small blood vessels to carry oxygen to all parts of the body
  • Sickle Cell Disease (SCD): Types, Symptoms Causes
    Sickle cell disease is a group of inherited disorders that affect the hemoglobin, which causes sickle-shaped red blood cells Sickle cell disease affects the hemoglobin within your red blood cells Learn more about the types, symptoms and causes of this disorder
  • Sickle Cell Disease - What Is Sickle Cell Disease? - NHLBI, NIH
    Sickle cell disease is an inherited blood disorder that affects hemoglobin, the protein that carries oxygen through the body Misshapen red blood cells can block blood flow causing lifelong health problems
  • Understanding Sickle cell disease: Causes, symptoms, and . . .
    Sickle cell disease (SCD) is a hereditary blood disorder characterized by the production of abnormal hemoglobin molecules that cause red blood cells to take on a crescent or sickle shape This condition affects millions of people worldwide,
  • Sickle Cell Disease (Sickle Cell Anemia) - MedicineNet
    Sickle cell anemia (sickle cell disease) is a disorder of the blood caused by inherited abnormal hemoglobin (the oxygen-carrying protein within the red blood cells) The abnormal hemoglobin causes distorted (sickled appearing under a microscope) red blood cells
  • Sickle Cell Disease: Symptoms, Causes, Diagnosis Treatment
    There are a few different types of sickle cell disease, including sickle cell anemia and hemoglobin SC disease The diagnosis is typically made with infant screening blood tests There is no cure for sickle cell disease, but the condition can be managed with a variety of treatment strategies





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