pressure lamp的用法和樣例：
例句
- We were taken into a room brightly lit by a pressure lamp.
我們被帶進一間被汽燈照得通明的房間。 - Sometimes the stage lamp went out.Then a stagehand would fetch a stepladder onto the stage and pump vociferously at the lamp for a few moments until the illumination was restored.
有時臺上的汽燈忽然滅了，舞臺工作人員便您來一架梯子，爬上去使勁給燈打氣，直到重放光明。
