Painted on the ship's engine is an American flag.

画在船引擎上的是美国国旗。

The chemical can be burned in ship's engines in place of diesel. Our energy and environment analyst Roger Harrabin explains.

这种化学物质可以在轮船的发动机燃烧，从而代替柴油。请听本台能源和环境分析师罗杰·哈拉宾的解释。

The rumble of the ship’s engine was too loud and Greg could not get to sleep.

船引擎的轰鸣声太大了，格雷格无法入睡。

However, to have shipped a spare engine over to South Africa would  have cost time and, subsequently, more money.

然而，将备用发动机运到南非会花费时间，随后会花费更多的钱。

A report from the Royal Society says the solution might be ship's engines fueled by the fertilizer ammonia, which burns without creating carbon dioxide.

英国皇家学会的一份报告称，使用肥料氨作为轮船引擎的燃料是一种可能的方案，这种物质燃烧时不会产生二氧化碳。