為您提供bulb英英釋意。" />

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bulb

英 [b?lb] 美[b?lb]
  • n. 電燈泡；鱗莖；球狀物
  • vi. 生球莖；膨脹成球狀

英英釋意

1. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
2. electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated
3. a rounded part of a cylindrical instrument (usually at one end);
"the bulb of a syringe"
4. lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata);
"the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
5. a rounded dilation or expansion in a canal or vessel or organ