About bulb

What does " bulb " mean? Must it use with " light " ?

E.g. : light bulbs

1 個解答

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    Lv 7
    1 十年前
    最愛解答

    Bulb means:

    1. almost round, thick, underground stern, sending roots downwards and leaves upwards, of such plants as the lily, onion, tulip.

    2. sth like a bulb in shape, esp an electric lamp or swollen end of a glass tube, eg in a thermometer

    Therefore, "bulb" can be used without "light"

    For example, the bulb of a thermometer, or the bulb of an onion.

    資料來源: Oxford Dictionary
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