bulb是什么意思 bulb在线中文翻译

bulb 英 [bʌlb] 美 [bʌlb]

bulb 词典解释

1. The onions bulbed poorly in this cold wet season.
   洋葱在这个冷湿季节中鳞茎长得很不好。

1. The bulb has burned out.
   灯泡烧坏了。

1. 灯泡
   ...在梳妆台上我找到了30/30的子弹(A30/30BULLET),灯泡(BULB)和珍珠(PEARL),然后使劲推上面的镜子,得到一把钥匙(KEY). 搜寻床铺时,我在床头女人雕像上找到了一支箭(ARROW),再把它装在床头边一丘比特雕像上,启动暗藏的机关,...
2. 鳞茎
   ...3.鳞茎(bulb)由许多肥厚的肉质鳞叶包围的扁平或圆盘状的地下茎,称为鳞茎. 4.球茎(corm)球状的地下茎,如荸荠(Eleocharistuberosa)、慈姑、芋等(图3-121,D、E),它们都是根状茎先端膨大而成. 球茎有明显的节和节间,节上具褐色膜状物,...
3. 球
   ...尿道海绵体的前端蘑菇状膨大形成阴茎龟头,覆盖着阴茎海绵体前端,后端稍膨大形成尿道球(bulb),位于泌尿生殖膈下部两侧阴茎脚之间,被球海绵体肌(bulbcavernousmuscle)所覆盖....
4. 球管
   ...相较于150W等级的长效型DC点灯之金属卤素灯,相同光源辉度时超高压水银灯可减少86%的球管(bulb)外径与40%的电弧长度(表1),也就是说球管愈小,灯泡的反射器(reflector)也相对的变小;电弧长度愈短,光使用效率则愈高,...

1. a rounded part of a cylindrical instrument (usually at one end)
   e.g. the bulb of a syringe
2. electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
   Synonym: light bulb lightbulb incandescent lamp electric light electric-light bulb
3. a rounded dilation or expansion in a canal or vessel or organ
4. lower or hindmost part of the brain
   continuous with spinal cord
   (`bulb' is an old term for medulla oblongata)
   e.g. the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
   Synonym: medulla oblongata medulla
5. a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
6. anything with a round shape resembling a teardrop

bulb [bʌlb]