expand中文什么意思

vt.
1.扩大(范围等);使增加;扩张;使膨胀。
2.展开，张开。
3.扩充，使发展;【释】扩编。
+更多解释...4.【数学】展开。
5.详述，引伸，写出(缩体)。 expand one's knowledge 增长知识。 expand the business 扩展企业。 birds expanding its wings 展开双翼的飞鸟。vi.
1.扩大，扩张。
2.伸展，张开，延伸；膨胀 (opp. contract)。
3.扩充；发展(into)。
4.详述，引伸(on; upon)。
5.变得和蔼，感到舒畅。
短语和例子
The saplings have expanded into trees. 苗木已长成树。
-er, -or n.
扩张器；扩管器；扩口器。

• expand into:    扩大为
• expand on:    详述
• expand to:    扩大为

例句与用法

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1. The petals of the flowers expanded in the sunshine .
   花瓣在阳光下张开了。
2. They shouldn't have tried to expand overseas .
   他们不应该力图向海外扩张。
3. He breathed deeply and expanded his chest .
   他边深呼吸边扩胸。
4. The soil expands upon imbibing water .
   土壤会由于吸水而膨胀。
5. The cell walls must expand as the cells grow .
   当细胞生长时细胞壁必然扩张。

英文释义

动词

1. become larger in size or volume or quantity; "his business expanded rapidly"
2. exaggerate or make bigger; "The charges were inflated"
   同义词：inflate, blow up, amplify
3. grow vigorously; "The deer population in this town is thriving"; "business is booming"
   同义词：boom, thrive, flourish
4. expand the influence of; "The King extended his rule to the Eastern part of the continent"
   同义词：extend
5. make bigger or wider in size, volume, or quantity; "expand the house by adding another wing"
6. add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation"
   同义词：elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expound, dilate
7. extend in one or more directions; "The dough expands"
   同义词：spread out