视频对白:

Joe,honey,I fixed it.It was just vapor lock.
Joe,亲爱的，我修好了，只不过是气阻了。

vapor

n.水汽，水蒸气，无实质之物

It takes very little mercury in air to create unhealthy levels of vapor.
只要极微量的水银散发到空气中就会产生不健康的水银蒸汽。

The sulfur will bind with the mercury, reducing the amount of vapor.
硫磺会固定住水银，减少蒸汽量。