To show you what it looks like up close, I covered my hand in the gel and then painted on some thinned-down contact cement, which produces a very nice opaque yellow flame when lit.

为了使你更清楚的看到这一点，我在手上涂满了这种胶，并且还加入了一种在燃烧时可以发出透明的黄色火焰的胶材料。

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The house was covered with heavy flame and smoke when the firefighters saved the child…

消防员从冲腾着火焰和浓烟的房子里救出了一个小孩。

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A protection cover is positioned on the base, and all the flame nozzles are covered under the protecting cover.

一保护罩位于底座上使所有喷火嘴被罩覆于保护罩之下方。

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Curtains need to be covered in flame retardant to prevent fire spread, for example, and certain other materials have chemicals added to them in order to make them more flexible, more rigid, or more rugged.

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