詞根來源:
n. 電燈泡鱗莖球狀物
vi. 生球莖膨脹成球狀
The root of the daffodil is a bulb.
水仙花的根是一種球莖。
The bulb of the thermometer is filled with mercury.
溫度計的膨脹部分裏裝的是水銀。
We all know that Edison invented bulbs.
我們都知道愛迪生髮明瞭燈泡。
The bulb should just screw into the socket.
把燈泡擰到燈口上就行。
This makes the total cost of the bulb and energy $27.
這使得燈泡和電量的總耗費升爲$27。
