bulb
美[bʌlb] 网络灯泡；鳞茎；球；球管
1 . A 40 watt bulb would be quite sufficient and would not obtrude.
40瓦的灯泡完全够亮了，并且不会晃眼。
来自柯林斯例句
2 . An efficient bulb may lighten the load of power stations.
一个节能灯泡也许就能减轻发电站的负荷。
来自柯林斯例句
3 . This makes the total cost of the bulb and energy £27.
这使灯泡与电费合计为27英镑。
来自柯林斯例句
4 . The naked bulb was directly over his head.
裸露的灯泡正好在他的头顶上方。
来自柯林斯例句
5 . an unshaded light bulb
没有灯罩的电灯泡
来自《权威词典》
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