| the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
同义词：incision, surgical incision,
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| one of several parts or pieces that fit with others to constitute a whole object; "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road"
同义词：segment,
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| one of the portions into which something is regarded as divided and which together constitute a whole; "the written part of the exam"; "the finance section of the company"; "the BBC''s engineering division"
同义词：part, division,
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| a self-contained part of a larger composition (written or musical); "he always turns first to the business section"; "the history of this work is discussed in the next section"
同义词：subdivision,
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| a segment of a citrus fruit; "he ate a section of the orange"
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| a specialized division of a large organization; "you''ll find it in the hardware department"; "she got a job in the historical section of the Treasury"
同义词：department,
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| a small team of policemen working as part of a police platoon
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| a small army unit usually having a special function
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| a division of an orchestra containing all instruments of the same class
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| a small class of students who are part of a larger course but are taught separately; "a graduate student taught sections for the professor''s lecture course"
同义词：discussion section,
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| (geometry) the area created by a plane cutting through a solid
同义词：plane section,
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| a distinct region or subdivision of a territorial or political area or community or group of people; "no section of the nation is more ardent than the South"; "there are three synagogues in the Jewish section"
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| a very thin slice (of tissue or mineral or other substance) for examination under a microscope; "sections from the left ventricle showed diseased tissue"
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| a land unit equal to 1 square mile
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| 1. | They all culminate in these four sections .
它们全部可以归于这4方面。
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| 2. | We comment on these topics in section 6 .
我们将在第6节讨论这些课题。
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| 3. | I knew this section of the wreck well .
我对失事舰的这个部位非常熟悉。
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| 4. | The crank is an offset section of the crankshaft .
曲柄是曲轴的偏置部分。
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| 5. | The central section was severely shattered .
中间部分严重拉裂。
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| 6. | Put a section of tissue under the microscope .
把组织的切片放在显微镜下。
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| 7. | A section of the magnates offered him the crown .
一群权贵把王冠奉送给他。
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| 8. | A small section of rock juts out into the harbour .
山岩的一小角突入港湾。
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| 9. | The public section was rarely occupied .
群众席很少有人光顾。
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| 10. | There is a section dealing with sexual matters .
那里有一节专讲男女关系的。
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