An electric lamp with a glass enclosure that produces light

• The replaceable part that screws or plugs into a socket

产生光的玻璃外壳电灯

• 可拧入或插入灯座的可更换部件

An underground storage organ of a plant, with fleshy scales

• Example plants include tulip, lily, and onion

植物的地下贮藏器官，具有多层肉质鳞片

• 例如郁金香、百合和洋葱

A rounded, enlarged end of a device or object

• As in a thermometer bulb or a dropper bulb

设备或物体上圆形膨大的末端

• 如温度计的球部或滴管的橡皮球

The medulla oblongata at the base of the brain

• Used chiefly in anatomical or medical contexts

脑底部的延髓

• 多用于解剖或医学语境

To swell or form a bulb-like shape

• To expand into a rounded base or tip

膨胀或呈球茎状

• 向圆形的底部或尖端扩展