開(kāi)燈的用法和樣例：
例句
-
咱們開(kāi)燈吧。
Let's put on the light. -
由于光速極快，我們幾乎能在開(kāi)燈的那一瞬間就看見(jiàn)電燈亮起來(lái)。
Because of the great speed of light, we see a lamp light up almost at the exact moment we turn it on. -
他打開(kāi)水龍頭[開(kāi)燈，放上洗澡水]。
He turned on the tap [light, his bath water].
